36974805949 has 2 divisors, whose sum is σ = 36974805950. Its totient is φ = 36974805948.

The previous prime is 36974805941. The next prime is 36974805971. The reversal of 36974805949 is 94950847963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35919725625 + 1055080324 = 189525^2 + 32482^2 .

It is a cyclic number.

It is not a de Polignac number, because 36974805949 - 2³ = 36974805941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36974805941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18487402974 + 18487402975.

It is an arithmetic number, because the mean of its divisors is an integer number (18487402975).

Almost surely, 2^36974805949 is an apocalyptic number.

It is an amenable number.

36974805949 is a deficient number, since it is larger than the sum of its proper divisors (1).

36974805949 is an equidigital number, since it uses as much as digits as its factorization.

36974805949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58786560, while the sum is 64.

The spelling of 36974805949 in words is "thirty-six billion, nine hundred seventy-four million, eight hundred five thousand, nine hundred forty-nine".