99570354490 has 16 divisors (see below), whose sum is σ = 179245716480. Its totient is φ = 39823902160.

The previous prime is 99570354451. The next prime is 99570354491. The reversal of 99570354490 is 9445307599.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (99570354491) 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, 430426 + ... + 620005.

It is an arithmetic number, because the mean of its divisors is an integer number (11202857280).

Almost surely, 2^99570354490 is an apocalyptic number.

99570354490 is a deficient number, since it is larger than the sum of its proper divisors (79675361990).

99570354490 is a wasteful number, since it uses less digits than its factorization.

99570354490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059917.

The product of its (nonzero) digits is 6123600, while the sum is 55.

The spelling of 99570354490 in words is "ninety-nine billion, five hundred seventy million, three hundred fifty-four thousand, four hundred ninety".