9942662499 has 32 divisors (see below), whose sum is σ = 17098007040. Its totient is φ = 4986912000.

The previous prime is 9942662491. The next prime is 9942662507.

9942662499 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (9942662491) and next prime (9942662507).

It is not a de Polignac number, because 9942662499 - 2³ = 9942662491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9942662491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 735402 + ... + 748799.

It is an arithmetic number, because the mean of its divisors is an integer number (534312720).

Almost surely, 2^9942662499 is an apocalyptic number.

9942662499 is a deficient number, since it is larger than the sum of its proper divisors (7155344541).

9942662499 is a wasteful number, since it uses less digits than its factorization.

9942662499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484251.

The product of its digits is 15116544, while the sum is 60.

The square root of 9942662499 is about 99712.9003639950. The cubic root of 9942662499 is about 2150.3091316094.

The spelling of 9942662499 in words is "nine billion, nine hundred forty-two million, six hundred sixty-two thousand, four hundred ninety-nine".