42264564131 has 4 divisors (see below), whose sum is σ = 42683025264. Its totient is φ = 41846103000.

The previous prime is 42264564119. The next prime is 42264564137. The reversal of 42264564131 is 13146546224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42264564131 is a prime.

It is a super-2 number, since 2×42264564131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42264564137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209230415 + ... + 209230616.

It is an arithmetic number, because the mean of its divisors is an integer number (10670756316).

Almost surely, 2^42264564131 is an apocalyptic number.

42264564131 is a deficient number, since it is larger than the sum of its proper divisors (418461133).

42264564131 is a wasteful number, since it uses less digits than its factorization.

42264564131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418461132.

The product of its digits is 138240, while the sum is 38.

The spelling of 42264564131 in words is "forty-two billion, two hundred sixty-four million, five hundred sixty-four thousand, one hundred thirty-one".