36632420491 has 2 divisors, whose sum is σ = 36632420492. Its totient is φ = 36632420490.

The previous prime is 36632420453. The next prime is 36632420501. The reversal of 36632420491 is 19402423663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36632420491 - 2³⁵ = 2272682123 is a prime.

It is not a weakly prime, because it can be changed into another prime (36632420291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18316210245 + 18316210246.

It is an arithmetic number, because the mean of its divisors is an integer number (18316210246).

Almost surely, 2^36632420491 is an apocalyptic number.

36632420491 is a deficient number, since it is larger than the sum of its proper divisors (1).

36632420491 is an equidigital number, since it uses as much as digits as its factorization.

36632420491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 36632420491 in words is "thirty-six billion, six hundred thirty-two million, four hundred twenty thousand, four hundred ninety-one".