74909842953 has 16 divisors (see below), whose sum is σ = 111493721856. Its totient is φ = 44344092240.

The previous prime is 74909842937. The next prime is 74909842961. The reversal of 74909842953 is 35924890947.

It is not a de Polignac number, because 74909842953 - 2⁴ = 74909842937 is a prime.

It is a super-2 number, since 2×74909842953² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74909842963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26393875 + ... + 26396712.

It is an arithmetic number, because the mean of its divisors is an integer number (6968357616).

Almost surely, 2^74909842953 is an apocalyptic number.

It is an amenable number.

74909842953 is a deficient number, since it is larger than the sum of its proper divisors (36583878903).

74909842953 is a wasteful number, since it uses less digits than its factorization.

74909842953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52790644.

The product of its (nonzero) digits is 19595520, while the sum is 60.

The spelling of 74909842953 in words is "seventy-four billion, nine hundred nine million, eight hundred forty-two thousand, nine hundred fifty-three".