99353640959 has 4 divisors (see below), whose sum is σ = 99359346504. Its totient is φ = 99347935416.

The previous prime is 99353640913. The next prime is 99353640979. The reversal of 99353640959 is 95904635399.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95904635399 = 7529 ⋅12738031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99353640959 is a prime.

It is a super-2 number, since 2×99353640959² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99353640979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2826572 + ... + 2861505.

It is an arithmetic number, because the mean of its divisors is an integer number (24839836626).

Almost surely, 2^99353640959 is an apocalyptic number.

99353640959 is a deficient number, since it is larger than the sum of its proper divisors (5705545).

99353640959 is a wasteful number, since it uses less digits than its factorization.

99353640959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5705544.

The product of its (nonzero) digits is 35429400, while the sum is 62.

The spelling of 99353640959 in words is "ninety-nine billion, three hundred fifty-three million, six hundred forty thousand, nine hundred fifty-nine".