1914459793 has 4 divisors (see below), whose sum is σ = 1915147060. Its totient is φ = 1913772528.

The previous prime is 1914459791. The next prime is 1914459797. The reversal of 1914459793 is 3979544191.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1698016849 + 216442944 = 41207^2 + 14712^2 .

It is a cyclic number.

It is not a de Polignac number, because 1914459793 - 2¹ = 1914459791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1914459793.

It is not an unprimeable number, because it can be changed into a prime (1914459791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339438 + ... + 345031.

It is an arithmetic number, because the mean of its divisors is an integer number (478786765).

Almost surely, 2^1914459793 is an apocalyptic number.

It is an amenable number.

1914459793 is a deficient number, since it is larger than the sum of its proper divisors (687267).

1914459793 is an equidigital number, since it uses as much as digits as its factorization.

1914459793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687266.

The product of its digits is 1224720, while the sum is 52.

The square root of 1914459793 is about 43754.5402558409. The cubic root of 1914459793 is about 1241.6963846247.

The spelling of 1914459793 in words is "one billion, nine hundred fourteen million, four hundred fifty-nine thousand, seven hundred ninety-three".