515332416349 has 4 divisors (see below), whose sum is σ = 520148607264. Its totient is φ = 510516225436.

The previous prime is 515332416311. The next prime is 515332416373. The reversal of 515332416349 is 943614233515.

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 515332416349 - 2¹⁵ = 515332383581 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 515332416299 and 515332416308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515332417349) 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, 2408095297 + ... + 2408095510.

It is an arithmetic number, because the mean of its divisors is an integer number (130037151816).

Almost surely, 2^515332416349 is an apocalyptic number.

It is an amenable number.

515332416349 is a deficient number, since it is larger than the sum of its proper divisors (4816190915).

515332416349 is a wasteful number, since it uses less digits than its factorization.

515332416349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816190914.

The product of its digits is 1166400, while the sum is 46.

The spelling of 515332416349 in words is "five hundred fifteen billion, three hundred thirty-two million, four hundred sixteen thousand, three hundred forty-nine".