900839099655 has 48 divisors (see below), whose sum is σ = 1710843507360. Its totient is φ = 434863123200.

The previous prime is 900839099617. The next prime is 900839099669. The reversal of 900839099655 is 556990938009.

It is not a de Polignac number, because 900839099655 - 2⁸ = 900839099399 is a prime.

It is a super-2 number, since 2×900839099655² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 900839099592 and 900839099601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3860176 + ... + 4086885.

It is an arithmetic number, because the mean of its divisors is an integer number (35642573070).

Almost surely, 2^900839099655 is an apocalyptic number.

900839099655 is a deficient number, since it is larger than the sum of its proper divisors (810004407705).

900839099655 is a wasteful number, since it uses less digits than its factorization.

900839099655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7947312 (or 7947309 counting only the distinct ones).

The product of its (nonzero) digits is 23619600, while the sum is 63.

The spelling of 900839099655 in words is "nine hundred billion, eight hundred thirty-nine million, ninety-nine thousand, six hundred fifty-five".