36865984451 has 2 divisors, whose sum is σ = 36865984452. Its totient is φ = 36865984450.

The previous prime is 36865984433. The next prime is 36865984471. The reversal of 36865984451 is 15448956863.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36865984451 - 2²⁶ = 36798875587 is a prime.

It is not a weakly prime, because it can be changed into another prime (36865984471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18432992225 + 18432992226.

It is an arithmetic number, because the mean of its divisors is an integer number (18432992226).

Almost surely, 2^36865984451 is an apocalyptic number.

36865984451 is a deficient number, since it is larger than the sum of its proper divisors (1).

36865984451 is an equidigital number, since it uses as much as digits as its factorization.

36865984451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24883200, while the sum is 59.

The spelling of 36865984451 in words is "thirty-six billion, eight hundred sixty-five million, nine hundred eighty-four thousand, four hundred fifty-one".