9099142494 has 32 divisors (see below), whose sum is σ = 19635713664. Its totient is φ = 2794370400.

The previous prime is 9099142487. The next prime is 9099142513. The reversal of 9099142494 is 4942419909.

It is a super-2 number, since 2×9099142494² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70732 + ... + 152319.

It is an arithmetic number, because the mean of its divisors is an integer number (613616052).

Almost surely, 2^9099142494 is an apocalyptic number.

9099142494 is an abundant number, since it is smaller than the sum of its proper divisors (10536571170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9099142494 is a wasteful number, since it uses less digits than its factorization.

9099142494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223592.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 9099142494 is about 95389.4254831216. The cubic root of 9099142494 is about 2087.6938990841.

The spelling of 9099142494 in words is "nine billion, ninety-nine million, one hundred forty-two thousand, four hundred ninety-four".