3523135646425 has 6 divisors (see below), whose sum is σ = 4368688201598. Its totient is φ = 2818508517120.

The previous prime is 3523135646417. The next prime is 3523135646447. The reversal of 3523135646425 is 5246465313253.

It can be written as a sum of positive squares in 3 ways, for example, as 6820612569 + 3516315033856 = 82587^2 + 1875184^2 .

It is not a de Polignac number, because 3523135646425 - 2³ = 3523135646417 is a prime.

It is a super-2 number, since 2×3523135646425² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70462712904 + ... + 70462712953.

Almost surely, 2^{3523135646425} is an apocalyptic number.

It is an amenable number.

3523135646425 is a deficient number, since it is larger than the sum of its proper divisors (845552555173).

3523135646425 is a wasteful number, since it uses less digits than its factorization.

3523135646425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140925425867 (or 140925425862 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 49.

The spelling of 3523135646425 in words is "three trillion, five hundred twenty-three billion, one hundred thirty-five million, six hundred forty-six thousand, four hundred twenty-five".