651460970137 has 4 divisors (see below), whose sum is σ = 652148891856. Its totient is φ = 650773048420.

The previous prime is 651460970123. The next prime is 651460970143. The reversal of 651460970137 is 731079064156.

651460970137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 651460970137 - 2²³ = 651452581529 is a prime.

It is a super-2 number, since 2×651460970137² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (651460920137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343959439 + ... + 343961332.

It is an arithmetic number, because the mean of its divisors is an integer number (163037222964).

Almost surely, 2^651460970137 is an apocalyptic number.

It is an amenable number.

651460970137 is a deficient number, since it is larger than the sum of its proper divisors (687921719).

651460970137 is an equidigital number, since it uses as much as digits as its factorization.

651460970137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687921718.

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 651460970137 in words is "six hundred fifty-one billion, four hundred sixty million, nine hundred seventy thousand, one hundred thirty-seven".