99619713 has 10 divisors (see below), whose sum is σ = 148814754. Its totient is φ = 66413088.

The previous prime is 99619703. The next prime is 99619753. The reversal of 99619713 is 31791699.

It can be written as a sum of positive squares in only one way, i.e., 99440784 + 178929 = 9972^2 + 423^2 .

It is not a de Polignac number, because 99619713 - 2⁴ = 99619697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99619703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 614856 + ... + 615017.

Almost surely, 2^99619713 is an apocalyptic number.

It is an amenable number.

99619713 is a deficient number, since it is larger than the sum of its proper divisors (49195041).

99619713 is a wasteful number, since it uses less digits than its factorization.

99619713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229885 (or 1229876 counting only the distinct ones).

The product of its digits is 91854, while the sum is 45.

The square root of 99619713 is about 9980.9675382700. The cubic root of 99619713 is about 463.5697573081.

The spelling of 99619713 in words is "ninety-nine million, six hundred nineteen thousand, seven hundred thirteen".