1298137863343 has 4 divisors (see below), whose sum is σ = 1313778078648. Its totient is φ = 1282497648040.

The previous prime is 1298137863331. The next prime is 1298137863383. The reversal of 1298137863343 is 3433687318921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1298137863343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298137863383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7820107528 + ... + 7820107693.

It is an arithmetic number, because the mean of its divisors is an integer number (328444519662).

Almost surely, 2^{1298137863343} is an apocalyptic number.

1298137863343 is a deficient number, since it is larger than the sum of its proper divisors (15640215305).

1298137863343 is an equidigital number, since it uses as much as digits as its factorization.

1298137863343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15640215304.

The product of its digits is 15676416, while the sum is 58.

The spelling of 1298137863343 in words is "one trillion, two hundred ninety-eight billion, one hundred thirty-seven million, eight hundred sixty-three thousand, three hundred forty-three".