74413535431 has 4 divisors (see below), whose sum is σ = 74414672200. Its totient is φ = 74412398664.

The previous prime is 74413535411. The next prime is 74413535479. The reversal of 74413535431 is 13453531447.

It is a happy number.

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-74413535431 is a prime.

It is a super-2 number, since 2×74413535431² (a number of 23 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 (74413535411) 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, 463776 + ... + 603253.

It is an arithmetic number, because the mean of its divisors is an integer number (18603668050).

Almost surely, 2^74413535431 is an apocalyptic number.

74413535431 is a deficient number, since it is larger than the sum of its proper divisors (1136769).

74413535431 is a wasteful number, since it uses less digits than its factorization.

74413535431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136768.

The product of its digits is 302400, while the sum is 40.

The spelling of 74413535431 in words is "seventy-four billion, four hundred thirteen million, five hundred thirty-five thousand, four hundred thirty-one".