1351045272443 has 4 divisors (see below), whose sum is σ = 1351047906360. Its totient is φ = 1351042638528.

The previous prime is 1351045272439. The next prime is 1351045272449. The reversal of 1351045272443 is 3442725401531.

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

It is a cyclic number.

It is not a de Polignac number, because 1351045272443 - 2² = 1351045272439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1351045272443.

It is not an unprimeable number, because it can be changed into a prime (1351045272449) 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, 270230 + ... + 1665867.

It is an arithmetic number, because the mean of its divisors is an integer number (337761976590).

Almost surely, 2^{1351045272443} is an apocalyptic number.

1351045272443 is a deficient number, since it is larger than the sum of its proper divisors (2633917).

1351045272443 is an equidigital number, since it uses as much as digits as its factorization.

1351045272443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633916.

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 1351045272443 in words is "one trillion, three hundred fifty-one billion, forty-five million, two hundred seventy-two thousand, four hundred forty-three".