36516923249 has 2 divisors, whose sum is σ = 36516923250. Its totient is φ = 36516923248.

The previous prime is 36516923243. The next prime is 36516923297. The reversal of 36516923249 is 94232961563.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20592250000 + 15924673249 = 143500^2 + 126193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36516923249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36516923197 and 36516923206.

It is not a weakly prime, because it can be changed into another prime (36516923243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18258461624 + 18258461625.

It is an arithmetic number, because the mean of its divisors is an integer number (18258461625).

Almost surely, 2^36516923249 is an apocalyptic number.

It is an amenable number.

36516923249 is a deficient number, since it is larger than the sum of its proper divisors (1).

36516923249 is an equidigital number, since it uses as much as digits as its factorization.

36516923249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 50.

The spelling of 36516923249 in words is "thirty-six billion, five hundred sixteen million, nine hundred twenty-three thousand, two hundred forty-nine".