900138894098 has 32 divisors (see below), whose sum is σ = 1369832990400. Its totient is φ = 443586983616.

The previous prime is 900138894091. The next prime is 900138894139. The reversal of 900138894098 is 890498831009.

It is not an unprimeable number, because it can be changed into a prime (900138894091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21142040 + ... + 21184572.

It is an arithmetic number, because the mean of its divisors is an integer number (42807280950).

Almost surely, 2^900138894098 is an apocalyptic number.

900138894098 is a deficient number, since it is larger than the sum of its proper divisors (469694096302).

900138894098 is a wasteful number, since it uses less digits than its factorization.

900138894098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43226.

The product of its (nonzero) digits is 4478976, while the sum is 59.

The spelling of 900138894098 in words is "nine hundred billion, one hundred thirty-eight million, eight hundred ninety-four thousand, ninety-eight".