461646312132513 has 16 divisors (see below), whose sum is σ = 636800085331200. Its totient is φ = 297129925223040.

The previous prime is 461646312132457. The next prime is 461646312132529. The reversal of 461646312132513 is 315231213646164.

It is not a de Polignac number, because 461646312132513 - 2¹⁶ = 461646312066977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (461646312132613) 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, 192767068 + ... + 195147213.

It is an arithmetic number, because the mean of its divisors is an integer number (39800005333200).

Almost surely, 2^{461646312132513} is an apocalyptic number.

It is an amenable number.

461646312132513 is a deficient number, since it is larger than the sum of its proper divisors (175153773198687).

461646312132513 is a wasteful number, since it uses less digits than its factorization.

461646312132513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387927992.

The product of its digits is 1866240, while the sum is 48.

Adding to 461646312132513 its reverse (315231213646164), we get a palindrome (776877525778677).

The spelling of 461646312132513 in words is "four hundred sixty-one trillion, six hundred forty-six billion, three hundred twelve million, one hundred thirty-two thousand, five hundred thirteen".