424246662639 has 20 divisors (see below), whose sum is σ = 647235261024. Its totient is φ = 276813422784.

The previous prime is 424246662617. The next prime is 424246662641. The reversal of 424246662639 is 936266642424.

It is not a de Polignac number, because 424246662639 - 2¹² = 424246658543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424246662139) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55715482 + ... + 55723095.

Almost surely, 2^424246662639 is an apocalyptic number.

424246662639 is a deficient number, since it is larger than the sum of its proper divisors (222988598385).

424246662639 is a wasteful number, since it uses less digits than its factorization.

424246662639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111438636 (or 111438627 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 54.

The spelling of 424246662639 in words is "four hundred twenty-four billion, two hundred forty-six million, six hundred sixty-two thousand, six hundred thirty-nine".