10181209797 has 12 divisors (see below), whose sum is σ = 16043118624. Its totient is φ = 6170430120.

The previous prime is 10181209789. The next prime is 10181209817. The reversal of 10181209797 is 79790218101.

It is a happy number.

It is not a de Polignac number, because 10181209797 - 2³ = 10181209789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10181909797) 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, 51420153 + ... + 51420350.

It is an arithmetic number, because the mean of its divisors is an integer number (1336926552).

Almost surely, 2^10181209797 is an apocalyptic number.

It is an amenable number.

10181209797 is a deficient number, since it is larger than the sum of its proper divisors (5861908827).

10181209797 is a wasteful number, since it uses less digits than its factorization.

10181209797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102840520 (or 102840517 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 45.

The spelling of 10181209797 in words is "ten billion, one hundred eighty-one million, two hundred nine thousand, seven hundred ninety-seven".