36386434431 has 6 divisors (see below), whose sum is σ = 52558183080. Its totient is φ = 24257622948.

The previous prime is 36386434429. The next prime is 36386434433. The reversal of 36386434431 is 13443468363.

36386434431 is a `hidden beast` number, since 3 + 638 + 6 + 4 + 3 + 4 + 4 + 3 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (36386434429) and next prime (36386434433).

It is not a de Polignac number, because 36386434431 - 2¹ = 36386434429 is a prime.

It is a super-2 number, since 2×36386434431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36386434433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2021468571 + ... + 2021468588.

It is an arithmetic number, because the mean of its divisors is an integer number (8759697180).

Almost surely, 2^36386434431 is an apocalyptic number.

36386434431 is a deficient number, since it is larger than the sum of its proper divisors (16171748649).

36386434431 is a wasteful number, since it uses less digits than its factorization.

36386434431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4042937165 (or 4042937162 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 45.

The spelling of 36386434431 in words is "thirty-six billion, three hundred eighty-six million, four hundred thirty-four thousand, four hundred thirty-one".