516430369 has 24 divisors (see below), whose sum is σ = 676719360. Its totient is φ = 384553728.

The previous prime is 516430319. The next prime is 516430391. The reversal of 516430369 is 963034615.

It is not a de Polignac number, because 516430369 - 2¹³ = 516422177 is a prime.

It is a super-2 number, since 2×516430369² = 533400652050952322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516430319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7272 + ... + 32950.

It is an arithmetic number, because the mean of its divisors is an integer number (28196640).

Almost surely, 2^516430369 is an apocalyptic number.

It is an amenable number.

516430369 is a deficient number, since it is larger than the sum of its proper divisors (160288991).

516430369 is a wasteful number, since it uses less digits than its factorization.

516430369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25729 (or 25716 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 516430369 is about 22725.1043781981. The cubic root of 516430369 is about 802.3008600638.

The spelling of 516430369 in words is "five hundred sixteen million, four hundred thirty thousand, three hundred sixty-nine".