461490361581761 has 4 divisors (see below), whose sum is σ = 461512168074672. Its totient is φ = 461468555088852.

The previous prime is 461490361581721. The next prime is 461490361581841. The reversal of 461490361581761 is 167185163094164.

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 461490361581761 - 2²² = 461490357387457 is a prime.

It is a super-2 number, since 2×461490361581761² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 461490361581694 and 461490361581703.

It is not an unprimeable number, because it can be changed into a prime (461490361581721) 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, 10903214711 + ... + 10903257036.

It is an arithmetic number, because the mean of its divisors is an integer number (115378042018668).

Almost surely, 2^{461490361581761} is an apocalyptic number.

It is an amenable number.

461490361581761 is a deficient number, since it is larger than the sum of its proper divisors (21806492911).

461490361581761 is a wasteful number, since it uses less digits than its factorization.

461490361581761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21806492910.

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 461490361581761 in words is "four hundred sixty-one trillion, four hundred ninety billion, three hundred sixty-one million, five hundred eighty-one thousand, seven hundred sixty-one".