1914100042 has 4 divisors (see below), whose sum is σ = 2871150066. Its totient is φ = 957050020.

The previous prime is 1914100039. The next prime is 1914100063. The reversal of 1914100042 is 2400014191.

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

It can be written as a sum of positive squares in only one way, i.e., 1907855041 + 6245001 = 43679^2 + 2499^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1914099986 and 1914100022.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478525009 + ... + 478525012.

Almost surely, 2^1914100042 is an apocalyptic number.

1914100042 is a deficient number, since it is larger than the sum of its proper divisors (957050024).

1914100042 is an equidigital number, since it uses as much as digits as its factorization.

1914100042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957050023.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1914100042 is about 43750.4290493248. The cubic root of 1914100042 is about 1241.6186029791.

The spelling of 1914100042 in words is "one billion, nine hundred fourteen million, one hundred thousand, forty-two".