1910931291092 has 12 divisors (see below), whose sum is σ = 3344164668096. Its totient is φ = 955455671640.

The previous prime is 1910931291089. The next prime is 1910931291121. The reversal of 1910931291092 is 2901921390191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2053778 + ... + 2835465.

It is an arithmetic number, because the mean of its divisors is an integer number (278680389008).

Almost surely, 2^{1910931291092} is an apocalyptic number.

It is an amenable number.

1910931291092 is a deficient number, since it is larger than the sum of its proper divisors (1433233377004).

1910931291092 is a wasteful number, since it uses less digits than its factorization.

1910931291092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4986958 (or 4986956 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 47.

Subtracting 1910931291092 from its reverse (2901921390191), we obtain a palindrome (990990099099).

The spelling of 1910931291092 in words is "one trillion, nine hundred ten billion, nine hundred thirty-one million, two hundred ninety-one thousand, ninety-two".