99939742559 has 8 divisors (see below), whose sum is σ = 100640151552. Its totient is φ = 99241473240.

The previous prime is 99939742517. The next prime is 99939742571. The reversal of 99939742559 is 95524793999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99939742559 - 2³² = 95644775263 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99939742492 and 99939742501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99939742159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441119 + ... + 628064.

It is an arithmetic number, because the mean of its divisors is an integer number (12580018944).

Almost surely, 2^99939742559 is an apocalyptic number.

99939742559 is a deficient number, since it is larger than the sum of its proper divisors (700408993).

99939742559 is a wasteful number, since it uses less digits than its factorization.

99939742559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069837.

The product of its digits is 248005800, while the sum is 71.

The spelling of 99939742559 in words is "ninety-nine billion, nine hundred thirty-nine million, seven hundred forty-two thousand, five hundred fifty-nine".