36636984401 has 2 divisors, whose sum is σ = 36636984402. Its totient is φ = 36636984400.

The previous prime is 36636984347. The next prime is 36636984409. The reversal of 36636984401 is 10448963663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29584344001 + 7052640400 = 172001^2 + 83980^2 .

It is a cyclic number.

It is not a de Polignac number, because 36636984401 - 2⁶ = 36636984337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36636984401.

It is not a weakly prime, because it can be changed into another prime (36636984409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18318492200 + 18318492201.

It is an arithmetic number, because the mean of its divisors is an integer number (18318492201).

Almost surely, 2^36636984401 is an apocalyptic number.

It is an amenable number.

36636984401 is a deficient number, since it is larger than the sum of its proper divisors (1).

36636984401 is an equidigital number, since it uses as much as digits as its factorization.

36636984401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 36636984401 in words is "thirty-six billion, six hundred thirty-six million, nine hundred eighty-four thousand, four hundred one".