464515156062721 has 4 divisors (see below), whose sum is σ = 479499515935744. Its totient is φ = 449530796189700.

The previous prime is 464515156062691. The next prime is 464515156062761. The reversal of 464515156062721 is 127260651515464.

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 464515156062721 - 2⁵ = 464515156062689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464515156062761) 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, 7492179936465 + ... + 7492179936526.

It is an arithmetic number, because the mean of its divisors is an integer number (119874878983936).

Almost surely, 2^{464515156062721} is an apocalyptic number.

It is an amenable number.

464515156062721 is a deficient number, since it is larger than the sum of its proper divisors (14984359873023).

464515156062721 is a wasteful number, since it uses less digits than its factorization.

464515156062721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14984359873022.

The product of its (nonzero) digits is 12096000, while the sum is 55.

The spelling of 464515156062721 in words is "four hundred sixty-four trillion, five hundred fifteen billion, one hundred fifty-six million, sixty-two thousand, seven hundred twenty-one".