65380744459 has 2 divisors, whose sum is σ = 65380744460. Its totient is φ = 65380744458.

The previous prime is 65380744433. The next prime is 65380744487. The reversal of 65380744459 is 95444708356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65380744459 - 2²⁹ = 64843873547 is a prime.

It is not a weakly prime, because it can be changed into another prime (65380745459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32690372229 + 32690372230.

It is an arithmetic number, because the mean of its divisors is an integer number (32690372230).

Almost surely, 2^65380744459 is an apocalyptic number.

65380744459 is a deficient number, since it is larger than the sum of its proper divisors (1).

65380744459 is an equidigital number, since it uses as much as digits as its factorization.

65380744459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14515200, while the sum is 55.

The spelling of 65380744459 in words is "sixty-five billion, three hundred eighty million, seven hundred forty-four thousand, four hundred fifty-nine".