74431045219 has 2 divisors, whose sum is σ = 74431045220. Its totient is φ = 74431045218.

The previous prime is 74431045187. The next prime is 74431045307. The reversal of 74431045219 is 91254013447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74431045219 - 2⁵ = 74431045187 is a prime.

It is a super-2 number, since 2×74431045219² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74431040219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37215522609 + 37215522610.

It is an arithmetic number, because the mean of its divisors is an integer number (37215522610).

Almost surely, 2^74431045219 is an apocalyptic number.

74431045219 is a deficient number, since it is larger than the sum of its proper divisors (1).

74431045219 is an equidigital number, since it uses as much as digits as its factorization.

74431045219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 74431045219 in words is "seventy-four billion, four hundred thirty-one million, forty-five thousand, two hundred nineteen".