464644576451 has 16 divisors (see below), whose sum is σ = 514969152768. Its totient is φ = 415717452000.

The previous prime is 464644576447. The next prime is 464644576477. The reversal of 464644576451 is 154675446464.

It is a cyclic number.

It is not a de Polignac number, because 464644576451 - 2² = 464644576447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464644576421) 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, 1066625 + ... + 1437698.

It is an arithmetic number, because the mean of its divisors is an integer number (32185572048).

Almost surely, 2^464644576451 is an apocalyptic number.

464644576451 is a deficient number, since it is larger than the sum of its proper divisors (50324576317).

464644576451 is a wasteful number, since it uses less digits than its factorization.

464644576451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504602.

The product of its digits is 38707200, while the sum is 56.

The spelling of 464644576451 in words is "four hundred sixty-four billion, six hundred forty-four million, five hundred seventy-six thousand, four hundred fifty-one".