74473990516389 has 64 divisors (see below), whose sum is σ = 104725387526144. Its totient is φ = 47016232655616.

The previous prime is 74473990516351. The next prime is 74473990516411. The reversal of 74473990516389 is 98361509937447.

It is not a de Polignac number, because 74473990516389 - 2³⁵ = 74439630778021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74473990516389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74473990516349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7228374012 + ... + 7228384314.

It is an arithmetic number, because the mean of its divisors is an integer number (1636334180096).

Almost surely, 2^{74473990516389} is an apocalyptic number.

It is an amenable number.

74473990516389 is a deficient number, since it is larger than the sum of its proper divisors (30251397009755).

74473990516389 is a wasteful number, since it uses less digits than its factorization.

74473990516389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15626.

The product of its (nonzero) digits is 1234517760, while the sum is 75.

The spelling of 74473990516389 in words is "seventy-four trillion, four hundred seventy-three billion, nine hundred ninety million, five hundred sixteen thousand, three hundred eighty-nine".