74161925419 has 4 divisors (see below), whose sum is σ = 74245536144. Its totient is φ = 74078314696.

The previous prime is 74161925413. The next prime is 74161925423. The reversal of 74161925419 is 91452916147.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74161925419 - 2¹¹ = 74161923371 is a prime.

It is a super-2 number, since 2×74161925419² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74161925413) 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, 41804032 + ... + 41805805.

It is an arithmetic number, because the mean of its divisors is an integer number (18561384036).

Almost surely, 2^74161925419 is an apocalyptic number.

74161925419 is a deficient number, since it is larger than the sum of its proper divisors (83610725).

74161925419 is an equidigital number, since it uses as much as digits as its factorization.

74161925419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83610724.

The product of its digits is 544320, while the sum is 49.

The spelling of 74161925419 in words is "seventy-four billion, one hundred sixty-one million, nine hundred twenty-five thousand, four hundred nineteen".