426631763047 has 16 divisors (see below), whose sum is σ = 525190459392. Its totient is φ = 338501655360.

The previous prime is 426631763017. The next prime is 426631763057. The reversal of 426631763047 is 740367136624.

It is a cyclic number.

It is not a de Polignac number, because 426631763047 - 2³¹ = 424484279399 is a prime.

It is a super-2 number, since 2×426631763047² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426631763017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42735118 + ... + 42745099.

It is an arithmetic number, because the mean of its divisors is an integer number (32824403712).

Almost surely, 2^426631763047 is an apocalyptic number.

426631763047 is a deficient number, since it is larger than the sum of its proper divisors (98558696345).

426631763047 is a wasteful number, since it uses less digits than its factorization.

426631763047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85480278.

The product of its (nonzero) digits is 3048192, while the sum is 49.

The spelling of 426631763047 in words is "four hundred twenty-six billion, six hundred thirty-one million, seven hundred sixty-three thousand, forty-seven".