65319952051 has 2 divisors, whose sum is σ = 65319952052. Its totient is φ = 65319952050.

The previous prime is 65319952043. The next prime is 65319952069. The reversal of 65319952051 is 15025991356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65319952051 - 2³ = 65319952043 is a prime.

It is a super-2 number, since 2×65319952051² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65319951992 and 65319952010.

It is not a weakly prime, because it can be changed into another prime (65319952651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32659976025 + 32659976026.

It is an arithmetic number, because the mean of its divisors is an integer number (32659976026).

Almost surely, 2^65319952051 is an apocalyptic number.

65319952051 is a deficient number, since it is larger than the sum of its proper divisors (1).

65319952051 is an equidigital number, since it uses as much as digits as its factorization.

65319952051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 364500, while the sum is 46.

The spelling of 65319952051 in words is "sixty-five billion, three hundred nineteen million, nine hundred fifty-two thousand, fifty-one".