14401021493 has 2 divisors, whose sum is σ = 14401021494. Its totient is φ = 14401021492.

The previous prime is 14401021451. The next prime is 14401021501. The reversal of 14401021493 is 39412010441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14193863044 + 207158449 = 119138^2 + 14393^2 .

It is a cyclic number.

It is not a de Polignac number, because 14401021493 - 2¹⁸ = 14400759349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14401021423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7200510746 + 7200510747.

It is an arithmetic number, because the mean of its divisors is an integer number (7200510747).

Almost surely, 2^14401021493 is an apocalyptic number.

It is an amenable number.

14401021493 is a deficient number, since it is larger than the sum of its proper divisors (1).

14401021493 is an equidigital number, since it uses as much as digits as its factorization.

14401021493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 14401021493 in words is "fourteen billion, four hundred one million, twenty-one thousand, four hundred ninety-three".