1372273242647 has 4 divisors (see below), whose sum is σ = 1372307978496. Its totient is φ = 1372238506800.

The previous prime is 1372273242553. The next prime is 1372273242677. The reversal of 1372273242647 is 7462423722731.

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 1372273242647 - 2²⁰ = 1372272194071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1372273242595 and 1372273242604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372273242677) 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, 17308598 + ... + 17387699.

It is an arithmetic number, because the mean of its divisors is an integer number (343076994624).

Almost surely, 2^{1372273242647} is an apocalyptic number.

1372273242647 is a deficient number, since it is larger than the sum of its proper divisors (34735849).

1372273242647 is an equidigital number, since it uses as much as digits as its factorization.

1372273242647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34735848.

The product of its digits is 4741632, while the sum is 50.

The spelling of 1372273242647 in words is "one trillion, three hundred seventy-two billion, two hundred seventy-three million, two hundred forty-two thousand, six hundred forty-seven".