651442163023 has 8 divisors (see below), whose sum is σ = 654878267136. Its totient is φ = 648006324000.

The previous prime is 651442162993. The next prime is 651442163033. The reversal of 651442163023 is 320361244156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 651442163023 - 2¹⁷ = 651442031951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651442163033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6646473 + ... + 6743773.

It is an arithmetic number, because the mean of its divisors is an integer number (81859783392).

Almost surely, 2^651442163023 is an apocalyptic number.

651442163023 is a deficient number, since it is larger than the sum of its proper divisors (3436104113).

651442163023 is a wasteful number, since it uses less digits than its factorization.

651442163023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132545.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 651442163023 in words is "six hundred fifty-one billion, four hundred forty-two million, one hundred sixty-three thousand, twenty-three".