6390435662 has 8 divisors (see below), whose sum is σ = 10323011496. Its totient is φ = 2949431832.

The previous prime is 6390435659. The next prime is 6390435691. The reversal of 6390435662 is 2665340936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6390435662² = 81675335900322756488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122892968 + ... + 122893019.

It is an arithmetic number, because the mean of its divisors is an integer number (1290376437).

Almost surely, 2^6390435662 is an apocalyptic number.

6390435662 is a deficient number, since it is larger than the sum of its proper divisors (3932575834).

6390435662 is a wasteful number, since it uses less digits than its factorization.

6390435662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245786002.

The product of its (nonzero) digits is 699840, while the sum is 44.

The square root of 6390435662 is about 79940.2005376519. The cubic root of 6390435662 is about 1855.7102030858.

The spelling of 6390435662 in words is "six billion, three hundred ninety million, four hundred thirty-five thousand, six hundred sixty-two".