14440051391 has 2 divisors, whose sum is σ = 14440051392. Its totient is φ = 14440051390.

The previous prime is 14440051369. The next prime is 14440051459. The reversal of 14440051391 is 19315004441.

It is a weak prime.

It is an emirp because it is prime and its reverse (19315004441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14440051391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14440051331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7220025695 + 7220025696.

It is an arithmetic number, because the mean of its divisors is an integer number (7220025696).

Almost surely, 2^14440051391 is an apocalyptic number.

14440051391 is a deficient number, since it is larger than the sum of its proper divisors (1).

14440051391 is an equidigital number, since it uses as much as digits as its factorization.

14440051391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 14440051391 in words is "fourteen billion, four hundred forty million, fifty-one thousand, three hundred ninety-one".