1026830538721 has 16 divisors (see below), whose sum is σ = 1107941587200. Its totient is φ = 946023879168.

The previous prime is 1026830538709. The next prime is 1026830538731. The reversal of 1026830538721 is 1278350386201.

It is a cyclic number.

It is not a de Polignac number, because 1026830538721 - 2⁵ = 1026830538689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1026830538731) 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, 29088360 + ... + 29123638.

It is an arithmetic number, because the mean of its divisors is an integer number (69246349200).

Almost surely, 2^{1026830538721} is an apocalyptic number.

It is an amenable number.

1026830538721 is a deficient number, since it is larger than the sum of its proper divisors (81111048479).

1026830538721 is a wasteful number, since it uses less digits than its factorization.

1026830538721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39528.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 1026830538721 in words is "one trillion, twenty-six billion, eight hundred thirty million, five hundred thirty-eight thousand, seven hundred twenty-one".