1913854984 has 16 divisors (see below), whose sum is σ = 3639021120. Its totient is φ = 943449360.

The previous prime is 1913854973. The next prime is 1913854991. The reversal of 1913854984 is 4894583191.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1684164 + ... + 1685299.

It is an arithmetic number, because the mean of its divisors is an integer number (227438820).

Almost surely, 2^1913854984 is an apocalyptic number.

It is an amenable number.

1913854984 is a deficient number, since it is larger than the sum of its proper divisors (1725166136).

1913854984 is a wasteful number, since it uses less digits than its factorization.

1913854984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369540 (or 3369536 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 52.

The square root of 1913854984 is about 43747.6283242875. The cubic root of 1913854984 is about 1241.5656134887.

The spelling of 1913854984 in words is "one billion, nine hundred thirteen million, eight hundred fifty-four thousand, nine hundred eighty-four".