1298630368921 has 16 divisors (see below), whose sum is σ = 1371623803200. Its totient is φ = 1227687160000.

The previous prime is 1298630368853. The next prime is 1298630368939.

1298630368921 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-1298630368921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1298630366921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1082470 + ... + 1941391.

It is an arithmetic number, because the mean of its divisors is an integer number (85726487700).

Almost surely, 2^{1298630368921} is an apocalyptic number.

It is an amenable number.

1298630368921 is a deficient number, since it is larger than the sum of its proper divisors (72993434279).

1298630368921 is a wasteful number, since it uses less digits than its factorization.

1298630368921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024200.

The product of its (nonzero) digits is 6718464, while the sum is 58.

The spelling of 1298630368921 in words is "one trillion, two hundred ninety-eight billion, six hundred thirty million, three hundred sixty-eight thousand, nine hundred twenty-one".