1914538427 has 2 divisors, whose sum is σ = 1914538428. Its totient is φ = 1914538426.

The previous prime is 1914538391. The next prime is 1914538459. The reversal of 1914538427 is 7248354191.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1914538427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1914538127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957269213 + 957269214.

It is an arithmetic number, because the mean of its divisors is an integer number (957269214).

Almost surely, 2^1914538427 is an apocalyptic number.

1914538427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1914538427 is an equidigital number, since it uses as much as digits as its factorization.

1914538427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 44.

The square root of 1914538427 is about 43755.4388276475. The cubic root of 1914538427 is about 1241.7133847583.

The spelling of 1914538427 in words is "one billion, nine hundred fourteen million, five hundred thirty-eight thousand, four hundred twenty-seven".