2698416864 has 144 divisors (see below), whose sum is σ = 9015303024. Its totient is φ = 754790400.

The previous prime is 2698416827. The next prime is 2698416937. The reversal of 2698416864 is 4686148962.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2698416864.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8424 + ... + 73944.

It is an arithmetic number, because the mean of its divisors is an integer number (62606271).

Almost surely, 2^2698416864 is an apocalyptic number.

2698416864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2698416864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4507651512).

2698416864 is an abundant number, since it is smaller than the sum of its proper divisors (6316886160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2698416864 is a wasteful number, since it uses less digits than its factorization.

2698416864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65561 (or 65550 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 2698416864 is about 51946.2882600865. The cubic root of 2698416864 is about 1392.2044388595.

The spelling of 2698416864 in words is "two billion, six hundred ninety-eight million, four hundred sixteen thousand, eight hundred sixty-four".