651323229361 has 16 divisors (see below), whose sum is σ = 748611987840. Its totient is φ = 555095819520.

The previous prime is 651323229313. The next prime is 651323229391. The reversal of 651323229361 is 163922323156.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 651323229361 - 2³⁵ = 616963490993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (651323229391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13705401 + ... + 13752841.

It is an arithmetic number, because the mean of its divisors is an integer number (46788249240).

Almost surely, 2^651323229361 is an apocalyptic number.

It is an amenable number.

651323229361 is a deficient number, since it is larger than the sum of its proper divisors (97288758479).

651323229361 is a wasteful number, since it uses less digits than its factorization.

651323229361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58584.

The product of its digits is 349920, while the sum is 43.

The spelling of 651323229361 in words is "six hundred fifty-one billion, three hundred twenty-three million, two hundred twenty-nine thousand, three hundred sixty-one".