1298967613451 has 2 divisors, whose sum is σ = 1298967613452. Its totient is φ = 1298967613450.

The previous prime is 1298967613409. The next prime is 1298967613477. The reversal of 1298967613451 is 1543167698921.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1298967613451 - 2¹⁰ = 1298967612427 is a prime.

It is a super-2 number, since 2×1298967613451² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1298967613051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649483806725 + 649483806726.

It is an arithmetic number, because the mean of its divisors is an integer number (649483806726).

Almost surely, 2^{1298967613451} is an apocalyptic number.

1298967613451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1298967613451 is an equidigital number, since it uses as much as digits as its factorization.

1298967613451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19595520, while the sum is 62.

The spelling of 1298967613451 in words is "one trillion, two hundred ninety-eight billion, nine hundred sixty-seven million, six hundred thirteen thousand, four hundred fifty-one".