1914051943 has 4 divisors (see below), whose sum is σ = 1914652728. Its totient is φ = 1913451160.

The previous prime is 1914051929. The next prime is 1914051949. The reversal of 1914051943 is 3491504191.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3491504191 = 7 ⋅498786313.

It is a cyclic number.

It is not a de Polignac number, because 1914051943 - 2²⁵ = 1880497511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914051949) 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, 295588 + ... + 301993.

It is an arithmetic number, because the mean of its divisors is an integer number (478663182).

Almost surely, 2^1914051943 is an apocalyptic number.

1914051943 is a deficient number, since it is larger than the sum of its proper divisors (600785).

1914051943 is an equidigital number, since it uses as much as digits as its factorization.

1914051943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600784.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 1914051943 is about 43749.8793484051. The cubic root of 1914051943 is about 1241.6082027715.

The spelling of 1914051943 in words is "one billion, nine hundred fourteen million, fifty-one thousand, nine hundred forty-three".