10181909282 has 4 divisors (see below), whose sum is σ = 15272863926. Its totient is φ = 5090954640.

The previous prime is 10181909281. The next prime is 10181909293. The reversal of 10181909282 is 28290918101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28290918101 = 17 ⋅1664171653.

It can be written as a sum of positive squares in only one way, i.e., 8355970921 + 1825938361 = 91411^2 + 42731^2 .

It is not an unprimeable number, because it can be changed into a prime (10181909281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2545477319 + ... + 2545477322.

Almost surely, 2^10181909282 is an apocalyptic number.

10181909282 is a deficient number, since it is larger than the sum of its proper divisors (5090954644).

10181909282 is an equidigital number, since it uses as much as digits as its factorization.

10181909282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5090954643.

The product of its (nonzero) digits is 20736, while the sum is 41.

The spelling of 10181909282 in words is "ten billion, one hundred eighty-one million, nine hundred nine thousand, two hundred eighty-two".