2698451644 has 24 divisors (see below), whose sum is σ = 5398011360. Its totient is φ = 1156241856.

The previous prime is 2698451641. The next prime is 2698451663. The reversal of 2698451644 is 4461548962.

2698451644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2698451641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237174 + ... + 248290.

It is an arithmetic number, because the mean of its divisors is an integer number (224917140).

Almost surely, 2^2698451644 is an apocalyptic number.

It is an amenable number.

2698451644 is an abundant number, since it is smaller than the sum of its proper divisors (2699559716).

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

2698451644 is a wasteful number, since it uses less digits than its factorization.

2698451644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19797 (or 19795 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 49.

The square root of 2698451644 is about 51946.6230278735. The cubic root of 2698451644 is about 1392.2104202262.

The spelling of 2698451644 in words is "two billion, six hundred ninety-eight million, four hundred fifty-one thousand, six hundred forty-four".