651350106634079 has 2 divisors, whose sum is σ = 651350106634080. Its totient is φ = 651350106634078.

The previous prime is 651350106634063. The next prime is 651350106634181. The reversal of 651350106634079 is 970436601053156.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 651350106634079 - 2⁴ = 651350106634063 is a prime.

It is a super-2 number, since 2×651350106634079² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (651350106634379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325675053317039 + 325675053317040.

It is an arithmetic number, because the mean of its divisors is an integer number (325675053317040).

Almost surely, 2^{651350106634079} is an apocalyptic number.

651350106634079 is a deficient number, since it is larger than the sum of its proper divisors (1).

651350106634079 is an equidigital number, since it uses as much as digits as its factorization.

651350106634079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12247200, while the sum is 56.

The spelling of 651350106634079 in words is "six hundred fifty-one trillion, three hundred fifty billion, one hundred six million, six hundred thirty-four thousand, seventy-nine".