1325797953499 has 2 divisors, whose sum is σ = 1325797953500. Its totient is φ = 1325797953498.

The previous prime is 1325797953479. The next prime is 1325797953503. The reversal of 1325797953499 is 9943597975231.

It is a strong prime.

It is an emirp because it is prime and its reverse (9943597975231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1325797953499 - 2¹¹ = 1325797951451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1325797953479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662898976749 + 662898976750.

It is an arithmetic number, because the mean of its divisors is an integer number (662898976750).

Almost surely, 2^{1325797953499} is an apocalyptic number.

1325797953499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325797953499 is an equidigital number, since it uses as much as digits as its factorization.

1325797953499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 578680200, while the sum is 73.

The spelling of 1325797953499 in words is "one trillion, three hundred twenty-five billion, seven hundred ninety-seven million, nine hundred fifty-three thousand, four hundred ninety-nine".