36811463957 has 2 divisors, whose sum is σ = 36811463958. Its totient is φ = 36811463956.

The previous prime is 36811463891. The next prime is 36811463971. The reversal of 36811463957 is 75936411863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29458229956 + 7353234001 = 171634^2 + 85751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36811463957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36811463899 and 36811463908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36811463257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18405731978 + 18405731979.

It is an arithmetic number, because the mean of its divisors is an integer number (18405731979).

Almost surely, 2^36811463957 is an apocalyptic number.

It is an amenable number.

36811463957 is a deficient number, since it is larger than the sum of its proper divisors (1).

36811463957 is an equidigital number, since it uses as much as digits as its factorization.

36811463957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 53.

The spelling of 36811463957 in words is "thirty-six billion, eight hundred eleven million, four hundred sixty-three thousand, nine hundred fifty-seven".