497629639 has 8 divisors (see below), whose sum is σ = 553196672. Its totient is φ = 444532320.

The previous prime is 497629609. The next prime is 497629651. The reversal of 497629639 is 936926794.

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 497629639 - 2⁵ = 497629607 is a prime.

It is a super-2 number, since 2×497629639² = 495270515222540642, which contains 22 as substring.

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 497629639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497629609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617004 + ... + 617809.

It is an arithmetic number, because the mean of its divisors is an integer number (69149584).

Almost surely, 2^497629639 is an apocalyptic number.

497629639 is a deficient number, since it is larger than the sum of its proper divisors (55567033).

497629639 is a wasteful number, since it uses less digits than its factorization.

497629639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234857.

The product of its digits is 4408992, while the sum is 55.

The square root of 497629639 is about 22307.6139243981. The cubic root of 497629639 is about 792.4443009015. Note that the first 3 decimals are identical.

The spelling of 497629639 in words is "four hundred ninety-seven million, six hundred twenty-nine thousand, six hundred thirty-nine".