1953289892 has 12 divisors (see below), whose sum is σ = 3419428656. Its totient is φ = 976310280.

The previous prime is 1953289883. The next prime is 1953289907. The reversal of 1953289892 is 2989823591.

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, 70298 + ... + 94065.

It is an arithmetic number, because the mean of its divisors is an integer number (284952388).

Almost surely, 2^1953289892 is an apocalyptic number.

It is an amenable number.

1953289892 is a deficient number, since it is larger than the sum of its proper divisors (1466138764).

1953289892 is a wasteful number, since it uses less digits than its factorization.

1953289892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167338 (or 167336 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 56.

The square root of 1953289892 is about 44196.0393248083. The cubic root of 1953289892 is about 1250.0351759701.

The spelling of 1953289892 in words is "one billion, nine hundred fifty-three million, two hundred eighty-nine thousand, eight hundred ninety-two".