10247542181 has 4 divisors (see below), whose sum is σ = 10304791200. Its totient is φ = 10190293164.

The previous prime is 10247542177. The next prime is 10247542229. The reversal of 10247542181 is 18124574201.

10247542181 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18124574201 = 7151 ⋅2534551.

It is a cyclic number.

It is not a de Polignac number, because 10247542181 - 2² = 10247542177 is a prime.

It is a super-2 number, since 2×10247542181² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10247542121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28624241 + ... + 28624598.

It is an arithmetic number, because the mean of its divisors is an integer number (2576197800).

Almost surely, 2^10247542181 is an apocalyptic number.

It is an amenable number.

10247542181 is a deficient number, since it is larger than the sum of its proper divisors (57249019).

10247542181 is an equidigital number, since it uses as much as digits as its factorization.

10247542181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57249018.

The product of its (nonzero) digits is 17920, while the sum is 35.

The spelling of 10247542181 in words is "ten billion, two hundred forty-seven million, five hundred forty-two thousand, one hundred eighty-one".