74480514389 has 2 divisors, whose sum is σ = 74480514390. Its totient is φ = 74480514388.

The previous prime is 74480514343. The next prime is 74480514397. The reversal of 74480514389 is 98341508447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60599668900 + 13880845489 = 246170^2 + 117817^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74480514389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74480514389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74480514089) 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 as a sum of consecutive naturals, namely, 37240257194 + 37240257195.

It is an arithmetic number, because the mean of its divisors is an integer number (37240257195).

Almost surely, 2^74480514389 is an apocalyptic number.

It is an amenable number.

74480514389 is a deficient number, since it is larger than the sum of its proper divisors (1).

74480514389 is an equidigital number, since it uses as much as digits as its factorization.

74480514389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 74480514389 in words is "seventy-four billion, four hundred eighty million, five hundred fourteen thousand, three hundred eighty-nine".