1297546827283 has 4 divisors (see below), whose sum is σ = 1482910659760. Its totient is φ = 1112182994808.

The previous prime is 1297546827259. The next prime is 1297546827299. The reversal of 1297546827283 is 3827286457921.

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-1297546827283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1297546827683) 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, 92681916228 + ... + 92681916241.

It is an arithmetic number, because the mean of its divisors is an integer number (370727664940).

Almost surely, 2^{1297546827283} is an apocalyptic number.

1297546827283 is a deficient number, since it is larger than the sum of its proper divisors (185363832477).

1297546827283 is an equidigital number, since it uses as much as digits as its factorization.

1297546827283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185363832476.

The product of its digits is 81285120, while the sum is 64.

The spelling of 1297546827283 in words is "one trillion, two hundred ninety-seven billion, five hundred forty-six million, eight hundred twenty-seven thousand, two hundred eighty-three".