909141863641 has 12 divisors (see below), whose sum is σ = 999336889600. Its totient is φ = 826465974840.

The previous prime is 909141863627. The next prime is 909141863699. The reversal of 909141863641 is 146368141909.

It is not a de Polignac number, because 909141863641 - 2²⁵ = 909108309209 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (909141863341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4320880 + ... + 4526398.

Almost surely, 2^909141863641 is an apocalyptic number.

It is an amenable number.

909141863641 is a deficient number, since it is larger than the sum of its proper divisors (90195025959).

909141863641 is a wasteful number, since it uses less digits than its factorization.

909141863641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242100 (or 242089 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 909141863641 in words is "nine hundred nine billion, one hundred forty-one million, eight hundred sixty-three thousand, six hundred forty-one".