424231138779 has 8 divisors (see below), whose sum is σ = 646447449600. Its totient is φ = 242417793576.

The previous prime is 424231138703. The next prime is 424231138823. The reversal of 424231138779 is 977831132424.

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

It is not a de Polignac number, because 424231138779 - 2⁷ = 424231138651 is a prime.

It is a super-2 number, since 2×424231138779² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (424231133779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10100741379 + ... + 10100741420.

It is an arithmetic number, because the mean of its divisors is an integer number (80805931200).

Almost surely, 2^424231138779 is an apocalyptic number.

424231138779 is a deficient number, since it is larger than the sum of its proper divisors (222216310821).

424231138779 is a wasteful number, since it uses less digits than its factorization.

424231138779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20201482809.

The product of its digits is 2032128, while the sum is 51.

The spelling of 424231138779 in words is "four hundred twenty-four billion, two hundred thirty-one million, one hundred thirty-eight thousand, seven hundred seventy-nine".