52013783691 has 16 divisors (see below), whose sum is σ = 77064546720. Its totient is φ = 34672665600.

The previous prime is 52013783683. The next prime is 52013783693. The reversal of 52013783691 is 19638731025.

52013783691 is a `hidden beast` number, since 520 + 1 + 3 + 7 + 8 + 36 + 91 = 666.

It is not a de Polignac number, because 52013783691 - 2³ = 52013783683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52013783693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231291 + ... + 396891.

It is an arithmetic number, because the mean of its divisors is an integer number (4816534170).

Almost surely, 2^52013783691 is an apocalyptic number.

52013783691 is a deficient number, since it is larger than the sum of its proper divisors (25050763029).

52013783691 is a wasteful number, since it uses less digits than its factorization.

52013783691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177243 (or 177237 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 52013783691 in words is "fifty-two billion, thirteen million, seven hundred eighty-three thousand, six hundred ninety-one".