1953194396 has 12 divisors (see below), whose sum is σ = 3619154448. Its totient is φ = 919150272.

The previous prime is 1953194387. The next prime is 1953194407. The reversal of 1953194396 is 6934913591.

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, 14361656 + ... + 14361791.

It is an arithmetic number, because the mean of its divisors is an integer number (301596204).

Almost surely, 2^1953194396 is an apocalyptic number.

It is an amenable number.

1953194396 is a deficient number, since it is larger than the sum of its proper divisors (1665960052).

1953194396 is a wasteful number, since it uses less digits than its factorization.

1953194396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28723468 (or 28723466 counting only the distinct ones).

The product of its digits is 787320, while the sum is 50.

The square root of 1953194396 is about 44194.9589433003. The cubic root of 1953194396 is about 1250.0148043047.

The spelling of 1953194396 in words is "one billion, nine hundred fifty-three million, one hundred ninety-four thousand, three hundred ninety-six".