1913864332 has 6 divisors (see below), whose sum is σ = 3349262588. Its totient is φ = 956932164.

The previous prime is 1913864327. The next prime is 1913864333. The reversal of 1913864332 is 2334683191.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1913864333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239233038 + ... + 239233045.

Almost surely, 2^1913864332 is an apocalyptic number.

It is an amenable number.

1913864332 is a deficient number, since it is larger than the sum of its proper divisors (1435398256).

1913864332 is a wasteful number, since it uses less digits than its factorization.

1913864332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478466087 (or 478466085 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 1913864332 is about 43747.7351642345. The cubic root of 1913864332 is about 1241.5676349126.

The spelling of 1913864332 in words is "one billion, nine hundred thirteen million, eight hundred sixty-four thousand, three hundred thirty-two".