1813274884727 has 16 divisors (see below), whose sum is σ = 1936410900480. Its totient is φ = 1694185298400.

The previous prime is 1813274884723. The next prime is 1813274884783. The reversal of 1813274884727 is 7274884723181.

It is a cyclic number.

It is not a de Polignac number, because 1813274884727 - 2² = 1813274884723 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 1813274884727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1813274884723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23273078 + ... + 23350860.

It is an arithmetic number, because the mean of its divisors is an integer number (121025681280).

Almost surely, 2^{1813274884727} is an apocalyptic number.

1813274884727 is a deficient number, since it is larger than the sum of its proper divisors (123136015753).

1813274884727 is a wasteful number, since it uses less digits than its factorization.

1813274884727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103774.

The product of its digits is 33718272, while the sum is 62.

The spelling of 1813274884727 in words is "one trillion, eight hundred thirteen billion, two hundred seventy-four million, eight hundred eighty-four thousand, seven hundred twenty-seven".