909611249942 has 16 divisors (see below), whose sum is σ = 1390195919952. Its totient is φ = 446213046240.

The previous prime is 909611249941. The next prime is 909611250131. The reversal of 909611249942 is 249942116909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (909611249941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5377517 + ... + 5544087.

It is an arithmetic number, because the mean of its divisors is an integer number (86887244997).

Almost surely, 2^909611249942 is an apocalyptic number.

909611249942 is a deficient number, since it is larger than the sum of its proper divisors (480584670010).

909611249942 is a wasteful number, since it uses less digits than its factorization.

909611249942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218143.

The product of its (nonzero) digits is 2519424, while the sum is 56.

The spelling of 909611249942 in words is "nine hundred nine billion, six hundred eleven million, two hundred forty-nine thousand, nine hundred forty-two".