74083954865 has 4 divisors (see below), whose sum is σ = 88900745844. Its totient is φ = 59267163888.

The previous prime is 74083954859. The next prime is 74083954871. The reversal of 74083954865 is 56845938047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56845938047 = 31 ⋅1833739937.

It is an interprime number because it is at equal distance from previous prime (74083954859) and next prime (74083954871).

It can be written as a sum of positive squares in 2 ways, for example, as 24208559281 + 49875395584 = 155591^2 + 223328^2 .

It is a cyclic number.

It is not a de Polignac number, because 74083954865 - 2⁶ = 74083954801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7408395482 + ... + 7408395491.

It is an arithmetic number, because the mean of its divisors is an integer number (22225186461).

Almost surely, 2^74083954865 is an apocalyptic number.

It is an amenable number.

74083954865 is a deficient number, since it is larger than the sum of its proper divisors (14816790979).

74083954865 is a wasteful number, since it uses less digits than its factorization.

74083954865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14816790978.

The product of its (nonzero) digits is 29030400, while the sum is 59.

The spelling of 74083954865 in words is "seventy-four billion, eighty-three million, nine hundred fifty-four thousand, eight hundred sixty-five".