900641106890 has 32 divisors (see below), whose sum is σ = 1852977855744. Its totient is φ = 308752830720.

The previous prime is 900641106887. The next prime is 900641106917. The reversal of 900641106890 is 98601146009.

900641106890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×900641106890² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230414 + ... + 1361753.

It is an arithmetic number, because the mean of its divisors is an integer number (57905557992).

Almost surely, 2^900641106890 is an apocalyptic number.

900641106890 is an abundant number, since it is smaller than the sum of its proper divisors (952336748854).

900641106890 is a wasteful number, since it uses less digits than its factorization.

900641106890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600262.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 900641106890 in words is "nine hundred billion, six hundred forty-one million, one hundred six thousand, eight hundred ninety".