1289497190407 has 2 divisors, whose sum is σ = 1289497190408. Its totient is φ = 1289497190406.

The previous prime is 1289497190369. The next prime is 1289497190431. The reversal of 1289497190407 is 7040917949821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1289497190407 - 2³¹ = 1287349706759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1289497190437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 644748595203 + 644748595204.

It is an arithmetic number, because the mean of its divisors is an integer number (644748595204).

Almost surely, 2^{1289497190407} is an apocalyptic number.

1289497190407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1289497190407 is an equidigital number, since it uses as much as digits as its factorization.

1289497190407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9144576, while the sum is 61.

The spelling of 1289497190407 in words is "one trillion, two hundred eighty-nine billion, four hundred ninety-seven million, one hundred ninety thousand, four hundred seven".