42324513655 has 4 divisors (see below), whose sum is σ = 50789416392. Its totient is φ = 33859610920.

The previous prime is 42324513631. The next prime is 42324513661. The reversal of 42324513655 is 55631542324.

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

It is a de Polignac number, because none of the positive numbers 2^k-42324513655 is a prime.

It is a super-2 number, since 2×42324513655² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4232451361 + ... + 4232451370.

It is an arithmetic number, because the mean of its divisors is an integer number (12697354098).

Almost surely, 2^42324513655 is an apocalyptic number.

42324513655 is a deficient number, since it is larger than the sum of its proper divisors (8464902737).

42324513655 is an equidigital number, since it uses as much as digits as its factorization.

42324513655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8464902736.

The product of its digits is 432000, while the sum is 40.

The spelling of 42324513655 in words is "forty-two billion, three hundred twenty-four million, five hundred thirteen thousand, six hundred fifty-five".