516029639 has 4 divisors (see below), whose sum is σ = 529976424. Its totient is φ = 502082856.

The previous prime is 516029629. The next prime is 516029681. The reversal of 516029639 is 936920615.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 516029639 - 2⁴ = 516029623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 516029596 and 516029605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516029609) 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, 6973337 + ... + 6973410.

It is an arithmetic number, because the mean of its divisors is an integer number (132494106).

Almost surely, 2^516029639 is an apocalyptic number.

516029639 is a deficient number, since it is larger than the sum of its proper divisors (13946785).

516029639 is a wasteful number, since it uses less digits than its factorization.

516029639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13946784.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 516029639 is about 22716.2857659433. The cubic root of 516029639 is about 802.0932882157.

The spelling of 516029639 in words is "five hundred sixteen million, twenty-nine thousand, six hundred thirty-nine".