1914353843 has 4 divisors (see below), whose sum is σ = 1914733800. Its totient is φ = 1913973888.

The previous prime is 1914353839. The next prime is 1914353849. The reversal of 1914353843 is 3483534191.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3483534191 = 2609 ⋅1335199.

It is a cyclic number.

It is not a de Polignac number, because 1914353843 - 2² = 1914353839 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 1914353843.

It is not an unprimeable number, because it can be changed into a prime (1914353849) 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, 182318 + ... + 192531.

It is an arithmetic number, because the mean of its divisors is an integer number (478683450).

Almost surely, 2^1914353843 is an apocalyptic number.

1914353843 is a deficient number, since it is larger than the sum of its proper divisors (379957).

1914353843 is an equidigital number, since it uses as much as digits as its factorization.

1914353843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379956.

The product of its digits is 155520, while the sum is 41.

The square root of 1914353843 is about 43753.3295075929. The cubic root of 1914353843 is about 1241.6734782224.

The spelling of 1914353843 in words is "one billion, nine hundred fourteen million, three hundred fifty-three thousand, eight hundred forty-three".