14397955393 has 2 divisors, whose sum is σ = 14397955394. Its totient is φ = 14397955392.

The previous prime is 14397955391. The next prime is 14397955423. The reversal of 14397955393 is 39355979341.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10627135744 + 3770819649 = 103088^2 + 61407^2 .

It is a cyclic number.

It is not a de Polignac number, because 14397955393 - 2¹ = 14397955391 is a prime.

It is a super-2 number, since 2×14397955393² (a number of 21 digits) contains 22 as substring.

Together with 14397955391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14397955391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7198977696 + 7198977697.

It is an arithmetic number, because the mean of its divisors is an integer number (7198977697).

Almost surely, 2^14397955393 is an apocalyptic number.

It is an amenable number.

14397955393 is a deficient number, since it is larger than the sum of its proper divisors (1).

14397955393 is an equidigital number, since it uses as much as digits as its factorization.

14397955393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13778100, while the sum is 58.

The spelling of 14397955393 in words is "fourteen billion, three hundred ninety-seven million, nine hundred fifty-five thousand, three hundred ninety-three".