2630521103652 has 72 divisors (see below), whose sum is σ = 7161216838776. Its totient is φ = 809351115264.

The previous prime is 2630521103563. The next prime is 2630521103657. The reversal of 2630521103652 is 2563011250362.

2630521103652 is a `hidden beast` number, since 2 + 63 + 0 + 521 + 10 + 3 + 65 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 92030929956 + 2538490173696 = 303366^2 + 1593264^2 .

It is a super-2 number, since 2×2630521103652² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2630521103657) 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 23 ways as a sum of consecutive naturals, for example, 10157358 + ... + 10413114.

It is an arithmetic number, because the mean of its divisors is an integer number (99461344983).

Almost surely, 2^{2630521103652} is an apocalyptic number.

It is an amenable number.

2630521103652 is an abundant number, since it is smaller than the sum of its proper divisors (4530695735124).

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

2630521103652 is a wasteful number, since it uses less digits than its factorization.

2630521103652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277757 (or 277752 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 2630521103652 in words is "two trillion, six hundred thirty billion, five hundred twenty-one million, one hundred three thousand, six hundred fifty-two".