2651021534604 has 192 divisors, whose sum is σ = 6828254899200. Its totient is φ = 796766208000.

The previous prime is 2651021534599. The next prime is 2651021534617. The reversal of 2651021534604 is 4064351201562.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1403398492 + ... + 1403400380.

It is an arithmetic number, because the mean of its divisors is an integer number (35563827600).

Almost surely, 2^{2651021534604} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2651021534604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3414127449600).

2651021534604 is an abundant number, since it is smaller than the sum of its proper divisors (4177233364596).

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

2651021534604 is a wasteful number, since it uses less digits than its factorization.

2651021534604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3664 (or 3662 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 2651021534604 in words is "two trillion, six hundred fifty-one billion, twenty-one million, five hundred thirty-four thousand, six hundred four".