461641645466431 has 8 divisors (see below), whose sum is σ = 464582604080880. Its totient is φ = 458700694016448.

The previous prime is 461641645466423. The next prime is 461641645466467. The reversal of 461641645466431 is 134664546146164.

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 461641645466431 - 2³ = 461641645466423 is a prime.

It is a super-2 number, since 2×461641645466431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 461641645466431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461641645496431) 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, 198849315 + ... + 201157483.

It is an arithmetic number, because the mean of its divisors is an integer number (58072825510110).

Almost surely, 2^{461641645466431} is an apocalyptic number.

461641645466431 is a deficient number, since it is larger than the sum of its proper divisors (2940958614449).

461641645466431 is a wasteful number, since it uses less digits than its factorization.

461641645466431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582233.

The product of its digits is 119439360, while the sum is 61.

The spelling of 461641645466431 in words is "four hundred sixty-one trillion, six hundred forty-one billion, six hundred forty-five million, four hundred sixty-six thousand, four hundred thirty-one".