42366306631 has 4 divisors (see below), whose sum is σ = 46217789064. Its totient is φ = 38514824200.

The previous prime is 42366306623. The next prime is 42366306649. The reversal of 42366306631 is 13660366324.

It is a happy number.

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 42366306631 - 2³ = 42366306623 is a prime.

It is a super-2 number, since 2×42366306631² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42366306691) 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 3 ways as a sum of consecutive naturals, for example, 1925741200 + ... + 1925741221.

It is an arithmetic number, because the mean of its divisors is an integer number (11554447266).

Almost surely, 2^42366306631 is an apocalyptic number.

42366306631 is a deficient number, since it is larger than the sum of its proper divisors (3851482433).

42366306631 is a wasteful number, since it uses less digits than its factorization.

42366306631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851482432.

The product of its (nonzero) digits is 279936, while the sum is 40.

The spelling of 42366306631 in words is "forty-two billion, three hundred sixty-six million, three hundred six thousand, six hundred thirty-one".