461572217046751 has 4 divisors (see below), whose sum is σ = 488723523931872. Its totient is φ = 434420910161632.

The previous prime is 461572217046737. The next prime is 461572217046781. The reversal of 461572217046751 is 157640712275164.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 461572217046751 - 2¹⁵ = 461572217013983 is a prime.

It is a super-2 number, since 2×461572217046751² (a number of 30 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461572217046701) 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, 13575653442535 + ... + 13575653442568.

It is an arithmetic number, because the mean of its divisors is an integer number (122180880982968).

Almost surely, 2^{461572217046751} is an apocalyptic number.

461572217046751 is a deficient number, since it is larger than the sum of its proper divisors (27151306885121).

461572217046751 is a wasteful number, since it uses less digits than its factorization.

461572217046751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27151306885120.

The product of its (nonzero) digits is 19756800, while the sum is 58.

The spelling of 461572217046751 in words is "four hundred sixty-one trillion, five hundred seventy-two billion, two hundred seventeen million, forty-six thousand, seven hundred fifty-one".