1913882812 has 12 divisors (see below), whose sum is σ = 3349626280. Its totient is φ = 956846736.

The previous prime is 1913882783. The next prime is 1913882813. The reversal of 1913882812 is 2182883191.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913882813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42163 + ... + 74869.

Almost surely, 2^1913882812 is an apocalyptic number.

It is an amenable number.

1913882812 is a deficient number, since it is larger than the sum of its proper divisors (1435743468).

1913882812 is a wasteful number, since it uses less digits than its factorization.

1913882812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47340 (or 47338 counting only the distinct ones).

The product of its digits is 55296, while the sum is 43.

The square root of 1913882812 is about 43747.9463746585. The cubic root of 1913882812 is about 1241.5716310329.

The spelling of 1913882812 in words is "one billion, nine hundred thirteen million, eight hundred eighty-two thousand, eight hundred twelve".