2652538618836 has 60 divisors (see below), whose sum is σ = 6935832135540. Its totient is φ = 883979066880.

The previous prime is 2652538618811. The next prime is 2652538618937. The reversal of 2652538618836 is 6388168352562.

2652538618836 is a `hidden beast` number, since 2 + 6 + 5 + 2 + 5 + 3 + 8 + 618 + 8 + 3 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2494365374736 + 158173244100 = 1579356^2 + 397710^2 .

It is a super-2 number, since 2×2652538618836² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 506500 + ... + 2358308.

It is an arithmetic number, because the mean of its divisors is an integer number (115597202259).

Almost surely, 2^{2652538618836} is an apocalyptic number.

It is an amenable number.

2652538618836 is an abundant number, since it is smaller than the sum of its proper divisors (4283293516704).

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

2652538618836 is a wasteful number, since it uses less digits than its factorization.

2652538618836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856246 (or 1856235 counting only the distinct ones).

The product of its digits is 99532800, while the sum is 63.

The spelling of 2652538618836 in words is "two trillion, six hundred fifty-two billion, five hundred thirty-eight million, six hundred eighteen thousand, eight hundred thirty-six".