74463538893 has 16 divisors (see below), whose sum is σ = 100502954496. Its totient is φ = 49033503920.

The previous prime is 74463538889. The next prime is 74463538909. The reversal of 74463538893 is 39883536447.

It is a cyclic number.

It is not a de Polignac number, because 74463538893 - 2² = 74463538889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74463538823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1197496 + ... + 1258142.

It is an arithmetic number, because the mean of its divisors is an integer number (6281434656).

Almost surely, 2^74463538893 is an apocalyptic number.

It is an amenable number.

74463538893 is a deficient number, since it is larger than the sum of its proper divisors (26039415603).

74463538893 is a wasteful number, since it uses less digits than its factorization.

74463538893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65664.

The product of its digits is 52254720, while the sum is 60.

The spelling of 74463538893 in words is "seventy-four billion, four hundred sixty-three million, five hundred thirty-eight thousand, eight hundred ninety-three".