74641881433 has 4 divisors (see below), whose sum is σ = 85305007360. Its totient is φ = 63978755508.

The previous prime is 74641881421. The next prime is 74641881443. The reversal of 74641881433 is 33418814647.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74641881433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74641881443) 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, 5331562953 + ... + 5331562966.

It is an arithmetic number, because the mean of its divisors is an integer number (21326251840).

Almost surely, 2^74641881433 is an apocalyptic number.

It is an amenable number.

74641881433 is a deficient number, since it is larger than the sum of its proper divisors (10663125927).

74641881433 is a wasteful number, since it uses less digits than its factorization.

74641881433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10663125926.

The product of its digits is 1548288, while the sum is 49.

The spelling of 74641881433 in words is "seventy-four billion, six hundred forty-one million, eight hundred eighty-one thousand, four hundred thirty-three".