2137697328 has 40 divisors (see below), whose sum is σ = 5947185328. Its totient is φ = 657752832.

The previous prime is 2137697327. The next prime is 2137697347. The reversal of 2137697328 is 8237967312.

It is a super-2 number, since 2×2137697328² = 9139499732276679168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (2137697327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1712275 + ... + 1713522.

Almost surely, 2^2137697328 is an apocalyptic number.

It is an amenable number.

2137697328 is an abundant number, since it is smaller than the sum of its proper divisors (3809488000).

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

2137697328 is a wasteful number, since it uses less digits than its factorization.

2137697328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425821 (or 3425815 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 2137697328 is about 46235.2390282564. The cubic root of 2137697328 is about 1288.1963713041.

The spelling of 2137697328 in words is "two billion, one hundred thirty-seven million, six hundred ninety-seven thousand, three hundred twenty-eight".