1914869910 has 64 divisors (see below), whose sum is σ = 4716840960. Its totient is φ = 497335680.

The previous prime is 1914869909. The next prime is 1914869921. The reversal of 1914869910 is 199684191.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1914869910.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183411 + ... + 193569.

It is an arithmetic number, because the mean of its divisors is an integer number (73700640).

Almost surely, 2^1914869910 is an apocalyptic number.

1914869910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1914869910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2358420480).

1914869910 is an abundant number, since it is smaller than the sum of its proper divisors (2801971050).

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

1914869910 is a wasteful number, since it uses less digits than its factorization.

1914869910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10333.

The product of its (nonzero) digits is 139968, while the sum is 48.

The square root of 1914869910 is about 43759.2265699475. The cubic root of 1914869910 is about 1241.7850440016.

The spelling of 1914869910 in words is "one billion, nine hundred fourteen million, eight hundred sixty-nine thousand, nine hundred ten".