10726813197 has 12 divisors (see below), whose sum is σ = 15509654940. Its totient is φ = 7144115328.

The previous prime is 10726813189. The next prime is 10726813213. The reversal of 10726813197 is 79131862701.

It can be written as a sum of positive squares in 2 ways, for example, as 2722648041 + 8004165156 = 52179^2 + 89466^2 .

It is not a de Polignac number, because 10726813197 - 2³ = 10726813189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10726813127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 581538 + ... + 599699.

It is an arithmetic number, because the mean of its divisors is an integer number (1292471245).

Almost surely, 2^10726813197 is an apocalyptic number.

It is an amenable number.

10726813197 is a deficient number, since it is larger than the sum of its proper divisors (4782841743).

10726813197 is a wasteful number, since it uses less digits than its factorization.

10726813197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182252 (or 1182249 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The spelling of 10726813197 in words is "ten billion, seven hundred twenty-six million, eight hundred thirteen thousand, one hundred ninety-seven".