1414402391 has 2 divisors, whose sum is σ = 1414402392. Its totient is φ = 1414402390.

The previous prime is 1414402369. The next prime is 1414402393. The reversal of 1414402391 is 1932044141.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1414402391 - 2²⁶ = 1347293527 is a prime.

Together with 1414402393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1414402393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707201195 + 707201196.

It is an arithmetic number, because the mean of its divisors is an integer number (707201196).

Almost surely, 2^1414402391 is an apocalyptic number.

1414402391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1414402391 is an equidigital number, since it uses as much as digits as its factorization.

1414402391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1414402391 is about 37608.5414633431. The cubic root of 1414402391 is about 1122.5120038795.

The spelling of 1414402391 in words is "one billion, four hundred fourteen million, four hundred two thousand, three hundred ninety-one".