426631865039 has 4 divisors (see below), whose sum is σ = 438162456024. Its totient is φ = 415101274056.

The previous prime is 426631865021. The next prime is 426631865041. The reversal of 426631865039 is 930568136624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 426631865039 - 2⁸ = 426631864783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426631865839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5765295437 + ... + 5765295510.

It is an arithmetic number, because the mean of its divisors is an integer number (109540614006).

Almost surely, 2^426631865039 is an apocalyptic number.

426631865039 is a deficient number, since it is larger than the sum of its proper divisors (11530590985).

426631865039 is a wasteful number, since it uses less digits than its factorization.

426631865039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11530590984.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 426631865039 in words is "four hundred twenty-six billion, six hundred thirty-one million, eight hundred sixty-five thousand, thirty-nine".