36243265576649 has 2 divisors, whose sum is σ = 36243265576650. Its totient is φ = 36243265576648.

The previous prime is 36243265576613. The next prime is 36243265576729. The reversal of 36243265576649 is 94667556234263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36241844814400 + 1420762249 = 6020120^2 + 37693^2 .

It is a cyclic number.

It is not a de Polignac number, because 36243265576649 - 2³² = 36238970609353 is a prime.

It is not a weakly prime, because it can be changed into another prime (36243265576549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18121632788324 + 18121632788325.

It is an arithmetic number, because the mean of its divisors is an integer number (18121632788325).

Almost surely, 2^{36243265576649} is an apocalyptic number.

It is an amenable number.

36243265576649 is a deficient number, since it is larger than the sum of its proper divisors (1).

36243265576649 is an equidigital number, since it uses as much as digits as its factorization.

36243265576649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1175731200, while the sum is 68.

The spelling of 36243265576649 in words is "thirty-six trillion, two hundred forty-three billion, two hundred sixty-five million, five hundred seventy-six thousand, six hundred forty-nine".