65816072479 has 2 divisors, whose sum is σ = 65816072480. Its totient is φ = 65816072478.

The previous prime is 65816072471. The next prime is 65816072519. The reversal of 65816072479 is 97427061856.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65816072479 - 2³ = 65816072471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65816072471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32908036239 + 32908036240.

It is an arithmetic number, because the mean of its divisors is an integer number (32908036240).

Almost surely, 2^65816072479 is an apocalyptic number.

65816072479 is a deficient number, since it is larger than the sum of its proper divisors (1).

65816072479 is an equidigital number, since it uses as much as digits as its factorization.

65816072479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 65816072479 in words is "sixty-five billion, eight hundred sixteen million, seventy-two thousand, four hundred seventy-nine".