651122131024193 has 2 divisors, whose sum is σ = 651122131024194. Its totient is φ = 651122131024192.

The previous prime is 651122131024181. The next prime is 651122131024231. The reversal of 651122131024193 is 391420131221156.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 639743538095104 + 11378592929089 = 25293152^2 + 3373217^2 .

It is a cyclic number.

It is not a de Polignac number, because 651122131024193 - 2⁴⁰ = 650022619396417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 651122131024193.

It is not a weakly prime, because it can be changed into another prime (651122131024093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325561065512096 + 325561065512097.

It is an arithmetic number, because the mean of its divisors is an integer number (325561065512097).

Almost surely, 2^{651122131024193} is an apocalyptic number.

It is an amenable number.

651122131024193 is a deficient number, since it is larger than the sum of its proper divisors (1).

651122131024193 is an equidigital number, since it uses as much as digits as its factorization.

651122131024193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 651122131024193 in words is "six hundred fifty-one trillion, one hundred twenty-two billion, one hundred thirty-one million, twenty-four thousand, one hundred ninety-three".