514761621231 has 64 divisors (see below), whose sum is σ = 819509483520. Its totient is φ = 283301591040.

The previous prime is 514761621221. The next prime is 514761621251. The reversal of 514761621231 is 132126167415.

It is not a de Polignac number, because 514761621231 - 2¹³ = 514761613039 is a prime.

It is a super-4 number, since 4×514761621231⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 514761621231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514761621221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9360391 + ... + 9415223.

It is an arithmetic number, because the mean of its divisors is an integer number (12804835680).

Almost surely, 2^514761621231 is an apocalyptic number.

514761621231 is a deficient number, since it is larger than the sum of its proper divisors (304747862289).

514761621231 is a wasteful number, since it uses less digits than its factorization.

514761621231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55216.

The product of its digits is 60480, while the sum is 39.

Adding to 514761621231 its reverse (132126167415), we get a palindrome (646887788646).

The spelling of 514761621231 in words is "five hundred fourteen billion, seven hundred sixty-one million, six hundred twenty-one thousand, two hundred thirty-one".