1914649443 has 12 divisors (see below), whose sum is σ = 3160691248. Its totient is φ = 1094085360.

The previous prime is 1914649441. The next prime is 1914649453. The reversal of 1914649443 is 3449464191.

1914649443 is a `hidden beast` number, since 19 + 146 + 494 + 4 + 3 = 666.

It is not a de Polignac number, because 1914649443 - 2¹ = 1914649441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1914649441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15195568 + ... + 15195693.

Almost surely, 2^1914649443 is an apocalyptic number.

1914649443 is a deficient number, since it is larger than the sum of its proper divisors (1246041805).

1914649443 is a wasteful number, since it uses less digits than its factorization.

1914649443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30391274 (or 30391271 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 1914649443 is about 43756.7074058367. The cubic root of 1914649443 is about 1241.7373848666.

The spelling of 1914649443 in words is "one billion, nine hundred fourteen million, six hundred forty-nine thousand, four hundred forty-three".