1914381285 has 64 divisors (see below), whose sum is σ = 3285934080. Its totient is φ = 950019840.

The previous prime is 1914381277. The next prime is 1914381289. The reversal of 1914381285 is 5821834191.

1914381285 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1914381285 - 2³ = 1914381277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914381289) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1338951 + ... + 1340379.

It is an arithmetic number, because the mean of its divisors is an integer number (51342720).

Almost surely, 2^1914381285 is an apocalyptic number.

1914381285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1914381285 is a deficient number, since it is larger than the sum of its proper divisors (1371552795).

1914381285 is a wasteful number, since it uses less digits than its factorization.

1914381285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578.

The product of its digits is 69120, while the sum is 42.

The square root of 1914381285 is about 43753.6431054604. The cubic root of 1914381285 is about 1241.6794112671.

The spelling of 1914381285 in words is "one billion, nine hundred fourteen million, three hundred eighty-one thousand, two hundred eighty-five".