35309364561 has 12 divisors (see below), whose sum is σ = 52891394192. Its totient is φ = 23539576212.

The previous prime is 35309364551. The next prime is 35309364577. The reversal of 35309364561 is 16546390353.

35309364561 is a `hidden beast` number, since 3 + 53 + 0 + 9 + 36 + 4 + 561 = 666.

It is not a de Polignac number, because 35309364561 - 2²³ = 35300975953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35309364551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72652771 + ... + 72653256.

Almost surely, 2^35309364561 is an apocalyptic number.

It is an amenable number.

35309364561 is a deficient number, since it is larger than the sum of its proper divisors (17582029631).

35309364561 is an equidigital number, since it uses as much as digits as its factorization.

35309364561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145306042 (or 145306030 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 45.

The spelling of 35309364561 in words is "thirty-five billion, three hundred nine million, three hundred sixty-four thousand, five hundred sixty-one".