514639880369 has 8 divisors (see below), whose sum is σ = 521795813448. Its totient is φ = 507521710080.

The previous prime is 514639880357. The next prime is 514639880387. The reversal of 514639880369 is 963088936415.

It can be written as a sum of positive squares in 4 ways, for example, as 239527042225 + 275112838144 = 489415^2 + 524512^2 .

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 514639880369 - 2²⁰ = 514638831793 is a prime.

It is a super-2 number, since 2×514639880369² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (514639880389) 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, 9413252 + ... + 9467765.

It is an arithmetic number, because the mean of its divisors is an integer number (65224476681).

Almost surely, 2^514639880369 is an apocalyptic number.

It is an amenable number.

514639880369 is a deficient number, since it is larger than the sum of its proper divisors (7155933079).

514639880369 is a wasteful number, since it uses less digits than its factorization.

514639880369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18881395.

The product of its (nonzero) digits is 33592320, while the sum is 62.

The spelling of 514639880369 in words is "five hundred fourteen billion, six hundred thirty-nine million, eight hundred eighty thousand, three hundred sixty-nine".