99595021739 has 2 divisors, whose sum is σ = 99595021740. Its totient is φ = 99595021738.

The previous prime is 99595021637. The next prime is 99595021741. The reversal of 99595021739 is 93712059599.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99595021739 - 2³⁶ = 30875545003 is a prime.

Together with 99595021741, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99595021789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49797510869 + 49797510870.

It is an arithmetic number, because the mean of its divisors is an integer number (49797510870).

Almost surely, 2^99595021739 is an apocalyptic number.

99595021739 is a deficient number, since it is larger than the sum of its proper divisors (1).

99595021739 is an equidigital number, since it uses as much as digits as its factorization.

99595021739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6889050, while the sum is 59.

The spelling of 99595021739 in words is "ninety-nine billion, five hundred ninety-five million, twenty-one thousand, seven hundred thirty-nine".