384426298731 has 16 divisors (see below), whose sum is σ = 521883684608. Its totient is φ = 251641274400.

The previous prime is 384426298709. The next prime is 384426298759. The reversal of 384426298731 is 137892624483.

It is not a de Polignac number, because 384426298731 - 2²⁹ = 383889427819 is a prime.

It is a super-2 number, since 2×384426298731² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384426298771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1734991 + ... + 1943976.

It is an arithmetic number, because the mean of its divisors is an integer number (32617730288).

Almost surely, 2^384426298731 is an apocalyptic number.

384426298731 is a deficient number, since it is larger than the sum of its proper divisors (137457385877).

384426298731 is a wasteful number, since it uses less digits than its factorization.

384426298731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679602.

The product of its digits is 13934592, while the sum is 57.

The spelling of 384426298731 in words is "three hundred eighty-four billion, four hundred twenty-six million, two hundred ninety-eight thousand, seven hundred thirty-one".