1914681500 has 48 divisors (see below), whose sum is σ = 4325892480. Its totient is φ = 739457600.

The previous prime is 1914681487. The next prime is 1914681539. The reversal of 1914681500 is 51864191.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51524 + ... + 80523.

It is an arithmetic number, because the mean of its divisors is an integer number (90122760).

Almost surely, 2^1914681500 is an apocalyptic number.

1914681500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1914681500 is an abundant number, since it is smaller than the sum of its proper divisors (2411210980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1914681500 is a wasteful number, since it uses less digits than its factorization.

1914681500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132095 (or 132083 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 1914681500 is about 43757.0737138580. The cubic root of 1914681500 is about 1241.7443149696.

The spelling of 1914681500 in words is "one billion, nine hundred fourteen million, six hundred eighty-one thousand, five hundred".