42352436431 has 4 divisors (see below), whose sum is σ = 42425838112. Its totient is φ = 42279034752.

The previous prime is 42352436429. The next prime is 42352436471. The reversal of 42352436431 is 13463425324.

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 42352436431 - 2¹ = 42352436429 is a prime.

It is a super-2 number, since 2×42352436431² (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 (42352436471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36699975 + ... + 36701128.

It is an arithmetic number, because the mean of its divisors is an integer number (10606459528).

Almost surely, 2^42352436431 is an apocalyptic number.

42352436431 is a deficient number, since it is larger than the sum of its proper divisors (73401681).

42352436431 is an equidigital number, since it uses as much as digits as its factorization.

42352436431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73401680.

The product of its digits is 207360, while the sum is 37.

The spelling of 42352436431 in words is "forty-two billion, three hundred fifty-two million, four hundred thirty-six thousand, four hundred thirty-one".