651015045623 has 2 divisors, whose sum is σ = 651015045624. Its totient is φ = 651015045622.

The previous prime is 651015045587. The next prime is 651015045689. The reversal of 651015045623 is 326540510156.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 651015045623 - 2¹⁴ = 651015029239 is a prime.

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 (651015041623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325507522811 + 325507522812.

It is an arithmetic number, because the mean of its divisors is an integer number (325507522812).

Almost surely, 2^651015045623 is an apocalyptic number.

651015045623 is a deficient number, since it is larger than the sum of its proper divisors (1).

651015045623 is an equidigital number, since it uses as much as digits as its factorization.

651015045623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 651015045623 its reverse (326540510156), we get a palindrome (977555555779).

The spelling of 651015045623 in words is "six hundred fifty-one billion, fifteen million, forty-five thousand, six hundred twenty-three".