6453972870 has 32 divisors (see below), whose sum is σ = 15503657472. Its totient is φ = 1719490272.

The previous prime is 6453972859. The next prime is 6453972883. The reversal of 6453972870 is 782793546.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 64432 + ... + 130611.

It is an arithmetic number, because the mean of its divisors is an integer number (484489296).

Almost surely, 2^6453972870 is an apocalyptic number.

6453972870 is an abundant number, since it is smaller than the sum of its proper divisors (9049684602).

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

6453972870 is a wasteful number, since it uses less digits than its factorization.

6453972870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196156.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The square root of 6453972870 is about 80336.6222217489. The cubic root of 6453972870 is about 1861.8400942485.

The spelling of 6453972870 in words is "six billion, four hundred fifty-three million, nine hundred seventy-two thousand, eight hundred seventy".