1902675390625 has 27 divisors (see below), whose sum is σ = 2379421145017. Its totient is φ = 1521450625000.

The previous prime is 1902675390599. The next prime is 1902675390683. The reversal of 1902675390625 is 5260935762091.

The square root of 1902675390625 is 1379375.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1352776021921 + 549899368704 = 1163089^2 + 741552^2 .

It is not a de Polignac number, because 1902675390625 - 2⁹ = 1902675390113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 862108272 + ... + 862110478.

Almost surely, 2^{1902675390625} is an apocalyptic number.

1902675390625 is the 1379375-th square number.

1902675390625 is the 689688-th centered octagonal number.

It is an amenable number.

1902675390625 is a deficient number, since it is larger than the sum of its proper divisors (476745754392).

1902675390625 is an frugal number, since it uses more digits than its factorization.

1902675390625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4454 (or 2212 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 55.

The spelling of 1902675390625 in words is "one trillion, nine hundred two billion, six hundred seventy-five million, three hundred ninety thousand, six hundred twenty-five".