74423416153 has 4 divisors (see below), whose sum is σ = 78801264180. Its totient is φ = 70045568128.

The previous prime is 74423416139. The next prime is 74423416163. The reversal of 74423416153 is 35161432447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35161432447 = 113 ⋅311163119.

It can be written as a sum of positive squares in 2 ways, for example, as 48736302169 + 25687113984 = 220763^2 + 160272^2 .

It is a cyclic number.

It is not a de Polignac number, because 74423416153 - 2³³ = 65833481561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74423416103) 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, 2188923988 + ... + 2188924021.

It is an arithmetic number, because the mean of its divisors is an integer number (19700316045).

Almost surely, 2^74423416153 is an apocalyptic number.

It is an amenable number.

74423416153 is a deficient number, since it is larger than the sum of its proper divisors (4377848027).

74423416153 is a wasteful number, since it uses less digits than its factorization.

74423416153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4377848026.

The product of its digits is 241920, while the sum is 40.

The spelling of 74423416153 in words is "seventy-four billion, four hundred twenty-three million, four hundred sixteen thousand, one hundred fifty-three".