35685099025 has 9 divisors (see below), whose sum is σ = 44250694033. Its totient is φ = 28547323600.

The previous prime is 35685099017. The next prime is 35685099031. The reversal of 35685099025 is 52099058653.

The square root of 35685099025 is 188905.

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 1675837969 + 34009261056 = 40937^2 + 184416^2 .

It is not a de Polignac number, because 35685099025 - 2³ = 35685099017 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 (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 925635 + ... + 963415.

Almost surely, 2^35685099025 is an apocalyptic number.

35685099025 is the 188905-th square number.

35685099025 is the 94453-rd centered octagonal number.

It is an amenable number.

35685099025 is a deficient number, since it is larger than the sum of its proper divisors (8565595008).

35685099025 is an frugal number, since it uses more digits than its factorization.

35685099025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75572 (or 37786 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 52.

The spelling of 35685099025 in words is "thirty-five billion, six hundred eighty-five million, ninety-nine thousand, twenty-five".