42452713251 has 40 divisors (see below), whose sum is σ = 71889768720. Its totient is φ = 24749748288.

The previous prime is 42452713231. The next prime is 42452713283. The reversal of 42452713251 is 15231725424.

42452713251 is a `hidden beast` number, since 424 + 52 + 7 + 132 + 51 = 666.

It is not a de Polignac number, because 42452713251 - 2⁶ = 42452713187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42452713201) 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 39 ways as a sum of consecutive naturals, for example, 1040940 + ... + 1080953.

It is an arithmetic number, because the mean of its divisors is an integer number (1797244218).

Almost surely, 2^42452713251 is an apocalyptic number.

42452713251 is a deficient number, since it is larger than the sum of its proper divisors (29437055469).

42452713251 is a wasteful number, since it uses less digits than its factorization.

42452713251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121937 (or 2121928 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The spelling of 42452713251 in words is "forty-two billion, four hundred fifty-two million, seven hundred thirteen thousand, two hundred fifty-one".