2697399264 has 48 divisors (see below), whose sum is σ = 8092199808. Its totient is φ = 770685312.

The previous prime is 2697399253. The next prime is 2697399281. The reversal of 2697399264 is 4629937962.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 2006322 + ... + 2007665.

It is an arithmetic number, because the mean of its divisors is an integer number (168587496).

Almost surely, 2^2697399264 is an apocalyptic number.

2697399264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2697399264 is an abundant number, since it is smaller than the sum of its proper divisors (5394800544).

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

2697399264 is a wasteful number, since it uses less digits than its factorization.

2697399264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014007 (or 4013999 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 57.

The square root of 2697399264 is about 51936.4926039485. The cubic root of 2697399264 is about 1392.0294121147.

The spelling of 2697399264 in words is "two billion, six hundred ninety-seven million, three hundred ninety-nine thousand, two hundred sixty-four".