74534313901 has 2 divisors, whose sum is σ = 74534313902. Its totient is φ = 74534313900.

The previous prime is 74534313871. The next prime is 74534314007. The reversal of 74534313901 is 10931343547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66615093801 + 7919220100 = 258099^2 + 88990^2 .

It is a cyclic number.

It is not a de Polignac number, because 74534313901 - 2³³ = 65944379309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74534313401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37267156950 + 37267156951.

It is an arithmetic number, because the mean of its divisors is an integer number (37267156951).

Almost surely, 2^74534313901 is an apocalyptic number.

It is an amenable number.

74534313901 is a deficient number, since it is larger than the sum of its proper divisors (1).

74534313901 is an equidigital number, since it uses as much as digits as its factorization.

74534313901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 74534313901 in words is "seventy-four billion, five hundred thirty-four million, three hundred thirteen thousand, nine hundred one".