14945978351 has 2 divisors, whose sum is σ = 14945978352. Its totient is φ = 14945978350.

The previous prime is 14945978329. The next prime is 14945978401. The reversal of 14945978351 is 15387954941.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14945978351 - 2²² = 14941784047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14945978851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7472989175 + 7472989176.

It is an arithmetic number, because the mean of its divisors is an integer number (7472989176).

Almost surely, 2^14945978351 is an apocalyptic number.

14945978351 is a deficient number, since it is larger than the sum of its proper divisors (1).

14945978351 is an equidigital number, since it uses as much as digits as its factorization.

14945978351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5443200, while the sum is 56.

The spelling of 14945978351 in words is "fourteen billion, nine hundred forty-five million, nine hundred seventy-eight thousand, three hundred fifty-one".