36905474943 has 12 divisors (see below), whose sum is σ = 53365926640. Its totient is φ = 24576872256.

The previous prime is 36905474939. The next prime is 36905474959. The reversal of 36905474943 is 34947450963.

It is a happy number.

36905474943 is a `hidden beast` number, since 3 + 6 + 9 + 0 + 547 + 4 + 94 + 3 = 666.

It is not a de Polignac number, because 36905474943 - 2² = 36905474939 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36905474943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36905474933) 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, 2222746 + ... + 2239287.

Almost surely, 2^36905474943 is an apocalyptic number.

36905474943 is a deficient number, since it is larger than the sum of its proper divisors (16460451697).

36905474943 is a wasteful number, since it uses less digits than its factorization.

36905474943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462958 (or 4462955 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 54.

The spelling of 36905474943 in words is "thirty-six billion, nine hundred five million, four hundred seventy-four thousand, nine hundred forty-three".