99354776493 has 16 divisors (see below), whose sum is σ = 157980266496. Its totient is φ = 54305716080.

The previous prime is 99354776483. The next prime is 99354776509. The reversal of 99354776493 is 39467745399.

It is not a de Polignac number, because 99354776493 - 2⁵ = 99354776461 is a prime.

It is a super-2 number, since 2×99354776493² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99354776483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102851253 + ... + 102852218.

It is an arithmetic number, because the mean of its divisors is an integer number (9873766656).

Almost surely, 2^99354776493 is an apocalyptic number.

It is an amenable number.

99354776493 is a deficient number, since it is larger than the sum of its proper divisors (58625490003).

99354776493 is a wasteful number, since it uses less digits than its factorization.

99354776493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205703504.

The product of its digits is 154314720, while the sum is 66.

The spelling of 99354776493 in words is "ninety-nine billion, three hundred fifty-four million, seven hundred seventy-six thousand, four hundred ninety-three".