14320621949 has 2 divisors, whose sum is σ = 14320621950. Its totient is φ = 14320621948.

The previous prime is 14320621907. The next prime is 14320622011. The reversal of 14320621949 is 94912602341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11397057049 + 2923564900 = 106757^2 + 54070^2 .

It is a cyclic number.

It is not a de Polignac number, because 14320621949 - 2¹⁶ = 14320556413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14320621349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7160310974 + 7160310975.

It is an arithmetic number, because the mean of its divisors is an integer number (7160310975).

Almost surely, 2^14320621949 is an apocalyptic number.

It is an amenable number.

14320621949 is a deficient number, since it is larger than the sum of its proper divisors (1).

14320621949 is an equidigital number, since it uses as much as digits as its factorization.

14320621949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 14320621949 in words is "fourteen billion, three hundred twenty million, six hundred twenty-one thousand, nine hundred forty-nine".