2657996834 has 8 divisors (see below), whose sum is σ = 3987840108. Its totient is φ = 1328716800.

The previous prime is 2657996833. The next prime is 2657996851. The reversal of 2657996834 is 4386997562.

It can be written as a sum of positive squares in 2 ways, for example, as 2605796209 + 52200625 = 51047^2 + 7225^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2657996833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128807 + ... + 148010.

Almost surely, 2^2657996834 is an apocalyptic number.

2657996834 is a deficient number, since it is larger than the sum of its proper divisors (1329843274).

2657996834 is a wasteful number, since it uses less digits than its factorization.

2657996834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281620.

The product of its digits is 19595520, while the sum is 59.

The square root of 2657996834 is about 51555.7643139931. The cubic root of 2657996834 is about 1385.2180855344.

The spelling of 2657996834 in words is "two billion, six hundred fifty-seven million, nine hundred ninety-six thousand, eight hundred thirty-four".