1408822497989 has 2 divisors, whose sum is σ = 1408822497990. Its totient is φ = 1408822497988.

The previous prime is 1408822497959. The next prime is 1408822497991. The reversal of 1408822497989 is 9897942288041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1192442160100 + 216380337889 = 1091990^2 + 465167^2 .

It is a cyclic number.

It is not a de Polignac number, because 1408822497989 - 2²⁸ = 1408554062533 is a prime.

Together with 1408822497991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1408822497919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704411248994 + 704411248995.

It is an arithmetic number, because the mean of its divisors is an integer number (704411248995).

Almost surely, 2^{1408822497989} is an apocalyptic number.

It is an amenable number.

1408822497989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1408822497989 is an equidigital number, since it uses as much as digits as its factorization.

1408822497989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 167215104, while the sum is 71.

The spelling of 1408822497989 in words is "one trillion, four hundred eight billion, eight hundred twenty-two million, four hundred ninety-seven thousand, nine hundred eighty-nine".