10402010425 has 6 divisors (see below), whose sum is σ = 12898492958. Its totient is φ = 8321608320.

The previous prime is 10402010347. The next prime is 10402010447. The reversal of 10402010425 is 52401020401.

It can be written as a sum of positive squares in 3 ways, for example, as 50168889 + 10351841536 = 7083^2 + 101744^2 .

It is not a de Polignac number, because 10402010425 - 2²³ = 10393621817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 208040184 + ... + 208040233.

Almost surely, 2^10402010425 is an apocalyptic number.

It is an amenable number.

10402010425 is a deficient number, since it is larger than the sum of its proper divisors (2496482533).

10402010425 is an equidigital number, since it uses as much as digits as its factorization.

10402010425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416080427 (or 416080422 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 10402010425 its reverse (52401020401), we get a palindrome (62803030826).

The spelling of 10402010425 in words is "ten billion, four hundred two million, ten thousand, four hundred twenty-five".