99490206736 has 40 divisors (see below), whose sum is σ = 203171739480. Its totient is φ = 47123521536.

The previous prime is 99490206733. The next prime is 99490206791. The reversal of 99490206736 is 63760209499.

It can be written as a sum of positive squares in 4 ways, for example, as 6343166736 + 93147040000 = 79644^2 + 305200^2 .

It is not an unprimeable number, because it can be changed into a prime (99490206733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1998225 + ... + 2047408.

It is an arithmetic number, because the mean of its divisors is an integer number (5079293487).

Almost surely, 2^99490206736 is an apocalyptic number.

It is an amenable number.

99490206736 is an abundant number, since it is smaller than the sum of its proper divisors (103681532744).

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

99490206736 is a wasteful number, since it uses less digits than its factorization.

99490206736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045723 (or 4045717 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 55.

The spelling of 99490206736 in words is "ninety-nine billion, four hundred ninety million, two hundred six thousand, seven hundred thirty-six".