74889097989599 has 2 divisors, whose sum is σ = 74889097989600. Its totient is φ = 74889097989598.

The previous prime is 74889097989581. The next prime is 74889097989637. The reversal of 74889097989599 is 99598979098847.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74889097989599 - 2⁴⁴ = 57296911945183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74889097989499 and 74889097989508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74889097989539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37444548994799 + 37444548994800.

It is an arithmetic number, because the mean of its divisors is an integer number (37444548994800).

Almost surely, 2^{74889097989599} is an apocalyptic number.

74889097989599 is a deficient number, since it is larger than the sum of its proper divisors (1).

74889097989599 is an equidigital number, since it uses as much as digits as its factorization.

74889097989599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 266655836160, while the sum is 101.

The spelling of 74889097989599 in words is "seventy-four trillion, eight hundred eighty-nine billion, ninety-seven million, nine hundred eighty-nine thousand, five hundred ninety-nine".