1912019092 has 24 divisors (see below), whose sum is σ = 3440099880. Its totient is φ = 929303040.

The previous prime is 1912019041. The next prime is 1912019101. The reversal of 1912019092 is 2909102191.

It can be written as a sum of positive squares in 4 ways, for example, as 151880976 + 1760138116 = 12324^2 + 41954^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24384 + ... + 66472.

It is an arithmetic number, because the mean of its divisors is an integer number (143337495).

Almost surely, 2^1912019092 is an apocalyptic number.

It is an amenable number.

1912019092 is a deficient number, since it is larger than the sum of its proper divisors (1528080788).

1912019092 is a wasteful number, since it uses less digits than its factorization.

1912019092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42411 (or 42409 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 34.

The square root of 1912019092 is about 43726.6405295445. The cubic root of 1912019092 is about 1241.1684901212.

The spelling of 1912019092 in words is "one billion, nine hundred twelve million, nineteen thousand, ninety-two".