1018274728213 has 8 divisors (see below), whose sum is σ = 1037502496800. Its totient is φ = 999047516688.

The previous prime is 1018274728201. The next prime is 1018274728283. The reversal of 1018274728213 is 3128274728101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1018274728213 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 (1018274728283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6602778 + ... + 6755236.

It is an arithmetic number, because the mean of its divisors is an integer number (129687812100).

Almost surely, 2^{1018274728213} is an apocalyptic number.

It is an amenable number.

1018274728213 is a deficient number, since it is larger than the sum of its proper divisors (19227768587).

1018274728213 is a wasteful number, since it uses less digits than its factorization.

1018274728213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278531.

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 1018274728213 in words is "one trillion, eighteen billion, two hundred seventy-four million, seven hundred twenty-eight thousand, two hundred thirteen".