514790639 has 4 divisors (see below), whose sum is σ = 561589800. Its totient is φ = 467991480.

The previous prime is 514790609. The next prime is 514790641. The reversal of 514790639 is 936097415.

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

It is not a de Polignac number, because 514790639 - 2¹² = 514786543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 514790639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514790609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23399564 + ... + 23399585.

It is an arithmetic number, because the mean of its divisors is an integer number (140397450).

Almost surely, 2^514790639 is an apocalyptic number.

514790639 is a deficient number, since it is larger than the sum of its proper divisors (46799161).

514790639 is a wasteful number, since it uses less digits than its factorization.

514790639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46799160.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 514790639 is about 22688.9981929569. The cubic root of 514790639 is about 801.4508251051.

The spelling of 514790639 in words is "five hundred fourteen million, seven hundred ninety thousand, six hundred thirty-nine".