14440419947 has 2 divisors, whose sum is σ = 14440419948. Its totient is φ = 14440419946.

The previous prime is 14440419943. The next prime is 14440419967. The reversal of 14440419947 is 74991404441.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14440419947 - 2² = 14440419943 is a prime.

It is not a weakly prime, because it can be changed into another prime (14440419943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7220209973 + 7220209974.

It is an arithmetic number, because the mean of its divisors is an integer number (7220209974).

Almost surely, 2^14440419947 is an apocalyptic number.

14440419947 is a deficient number, since it is larger than the sum of its proper divisors (1).

14440419947 is an equidigital number, since it uses as much as digits as its factorization.

14440419947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 14440419947 in words is "fourteen billion, four hundred forty million, four hundred nineteen thousand, nine hundred forty-seven".