14491174421 has 2 divisors, whose sum is σ = 14491174422. Its totient is φ = 14491174420.

The previous prime is 14491174381. The next prime is 14491174427. The reversal of 14491174421 is 12447119441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14221755025 + 269419396 = 119255^2 + 16414^2 .

It is a cyclic number.

It is not a de Polignac number, because 14491174421 - 2¹⁸ = 14490912277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14491174427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7245587210 + 7245587211.

It is an arithmetic number, because the mean of its divisors is an integer number (7245587211).

Almost surely, 2^14491174421 is an apocalyptic number.

It is an amenable number.

14491174421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14491174421 is an equidigital number, since it uses as much as digits as its factorization.

14491174421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 38.

The spelling of 14491174421 in words is "fourteen billion, four hundred ninety-one million, one hundred seventy-four thousand, four hundred twenty-one".