910900990991 has 32 divisors (see below), whose sum is σ = 947603831616. Its totient is φ = 875169792000.

The previous prime is 910900990957. The next prime is 910900991027. The reversal of 910900990991 is 199099009019.

It is a cyclic number.

It is not a de Polignac number, because 910900990991 - 2¹⁰ = 910900989967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (910900980991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299538431 + ... + 299541471.

It is an arithmetic number, because the mean of its divisors is an integer number (29612619738).

Almost surely, 2^910900990991 is an apocalyptic number.

910900990991 is a deficient number, since it is larger than the sum of its proper divisors (36702840625).

910900990991 is a wasteful number, since it uses less digits than its factorization.

910900990991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803.

The product of its (nonzero) digits is 531441, while the sum is 56.

The spelling of 910900990991 in words is "nine hundred ten billion, nine hundred million, nine hundred ninety thousand, nine hundred ninety-one".