1114444391 has 2 divisors, whose sum is σ = 1114444392. Its totient is φ = 1114444390.

The previous prime is 1114444351. The next prime is 1114444417. The reversal of 1114444391 is 1934444111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1114444391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1114444321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557222195 + 557222196.

It is an arithmetic number, because the mean of its divisors is an integer number (557222196).

Almost surely, 2^1114444391 is an apocalyptic number.

1114444391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1114444391 is an equidigital number, since it uses as much as digits as its factorization.

1114444391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 1114444391 is about 33383.2950890112. The cubic root of 1114444391 is about 1036.7788622253.

The spelling of 1114444391 in words is "one billion, one hundred fourteen million, four hundred forty-four thousand, three hundred ninety-one".