30936909636 has 60 divisors (see below), whose sum is σ = 81676023660. Its totient is φ = 10210190400.

The previous prime is 30936909599. The next prime is 30936909691. The reversal of 30936909636 is 63690963903.

It can be written as a sum of positive squares in 2 ways, for example, as 30065479236 + 871430400 = 173394^2 + 29520^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 439971 + ... + 505418.

It is an arithmetic number, because the mean of its divisors is an integer number (1361267061).

Almost surely, 2^30936909636 is an apocalyptic number.

30936909636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30936909636 is an abundant number, since it is smaller than the sum of its proper divisors (50739114024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30936909636 is a wasteful number, since it uses less digits than its factorization.

30936909636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945506 (or 945495 counting only the distinct ones).

The product of its (nonzero) digits is 4251528, while the sum is 54.

The spelling of 30936909636 in words is "thirty billion, nine hundred thirty-six million, nine hundred nine thousand, six hundred thirty-six".