42435612631 has 8 divisors (see below), whose sum is σ = 42546695040. Its totient is φ = 42324671928.

The previous prime is 42435612607. The next prime is 42435612673. The reversal of 42435612631 is 13621653424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42435612631 - 2⁹ = 42435612119 is a prime.

It is a super-2 number, since 2×42435612631² (a number of 22 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 (42435612601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578080 + ... + 647338.

It is an arithmetic number, because the mean of its divisors is an integer number (5318336880).

Almost surely, 2^42435612631 is an apocalyptic number.

42435612631 is a deficient number, since it is larger than the sum of its proper divisors (111082409).

42435612631 is an equidigital number, since it uses as much as digits as its factorization.

42435612631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70853.

The product of its digits is 103680, while the sum is 37.

The spelling of 42435612631 in words is "forty-two billion, four hundred thirty-five million, six hundred twelve thousand, six hundred thirty-one".