2064474636625 has 8 divisors (see below), whose sum is σ = 2576464346664. Its totient is φ = 1651579709200.

The previous prime is 2064474636571. The next prime is 2064474636641. The reversal of 2064474636625 is 5266364744602.

It can be written as a sum of positive squares in 4 ways, for example, as 54819666496 + 2009654970129 = 234136^2 + 1417623^2 .

It is not a de Polignac number, because 2064474636625 - 2⁹ = 2064474636113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8257898422 + ... + 8257898671.

It is an arithmetic number, because the mean of its divisors is an integer number (322058043333).

Almost surely, 2^{2064474636625} is an apocalyptic number.

2064474636625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2064474636625 is a deficient number, since it is larger than the sum of its proper divisors (511989710039).

2064474636625 is an equidigital number, since it uses as much as digits as its factorization.

2064474636625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16515797108 (or 16515797098 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 55.

The spelling of 2064474636625 in words is "two trillion, sixty-four billion, four hundred seventy-four million, six hundred thirty-six thousand, six hundred twenty-five".