2897657923732 has 24 divisors (see below), whose sum is σ = 5957422585632. Its totient is φ = 1215800527200.

The previous prime is 2897657923729. The next prime is 2897657923733. The reversal of 2897657923732 is 2373297567982.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897657923733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2532917194 + ... + 2532918337.

It is an arithmetic number, because the mean of its divisors is an integer number (248225941068).

Almost surely, 2^{2897657923732} is an apocalyptic number.

2897657923732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2897657923732 is an abundant number, since it is smaller than the sum of its proper divisors (3059764661900).

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

2897657923732 is a wasteful number, since it uses less digits than its factorization.

2897657923732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065835559 (or 5065835557 counting only the distinct ones).

The product of its digits is 480090240, while the sum is 70.

The spelling of 2897657923732 in words is "two trillion, eight hundred ninety-seven billion, six hundred fifty-seven million, nine hundred twenty-three thousand, seven hundred thirty-two".