14025490421 has 2 divisors, whose sum is σ = 14025490422. Its totient is φ = 14025490420.

The previous prime is 14025490403. The next prime is 14025490469. The reversal of 14025490421 is 12409452041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12356767921 + 1668722500 = 111161^2 + 40850^2 .

It is a cyclic number.

It is not a de Polignac number, because 14025490421 - 2¹⁸ = 14025228277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14025490481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7012745210 + 7012745211.

It is an arithmetic number, because the mean of its divisors is an integer number (7012745211).

Almost surely, 2^14025490421 is an apocalyptic number.

It is an amenable number.

14025490421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14025490421 is an equidigital number, since it uses as much as digits as its factorization.

14025490421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 14025490421 in words is "fourteen billion, twenty-five million, four hundred ninety thousand, four hundred twenty-one".