74514489549 has 32 divisors (see below), whose sum is σ = 101604163584. Its totient is φ = 48561612480.

The previous prime is 74514489547. The next prime is 74514489557. The reversal of 74514489549 is 94598441547.

It is not a de Polignac number, because 74514489549 - 2¹ = 74514489547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74514489492 and 74514489501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74514489547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21515592 + ... + 21519054.

It is an arithmetic number, because the mean of its divisors is an integer number (3175130112).

Almost surely, 2^74514489549 is an apocalyptic number.

It is an amenable number.

74514489549 is a deficient number, since it is larger than the sum of its proper divisors (27089674035).

74514489549 is a wasteful number, since it uses less digits than its factorization.

74514489549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217.

The product of its digits is 29030400, while the sum is 60.

The spelling of 74514489549 in words is "seventy-four billion, five hundred fourteen million, four hundred eighty-nine thousand, five hundred forty-nine".