1298963345449 has 8 divisors (see below), whose sum is σ = 1619486768448. Its totient is φ = 1012179230160.

The previous prime is 1298963345419. The next prime is 1298963345501. The reversal of 1298963345449 is 9445433698921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1298963345449 - 2²¹ = 1298961248297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1298963345419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8434826842 + ... + 8434826995.

It is an arithmetic number, because the mean of its divisors is an integer number (202435846056).

Almost surely, 2^{1298963345449} is an apocalyptic number.

It is an amenable number.

1298963345449 is a deficient number, since it is larger than the sum of its proper divisors (320523422999).

1298963345449 is a wasteful number, since it uses less digits than its factorization.

1298963345449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16869653855.

The product of its digits is 201553920, while the sum is 67.

The spelling of 1298963345449 in words is "one trillion, two hundred ninety-eight billion, nine hundred sixty-three million, three hundred forty-five thousand, four hundred forty-nine".