10185009279 has 4 divisors (see below), whose sum is σ = 13580012376. Its totient is φ = 6790006184.

The previous prime is 10185009271. The next prime is 10185009361. The reversal of 10185009279 is 97290058101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10185009279 - 2³ = 10185009271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10185009279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10185009271) 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, 1697501544 + ... + 1697501549.

It is an arithmetic number, because the mean of its divisors is an integer number (3395003094).

Almost surely, 2^10185009279 is an apocalyptic number.

10185009279 is a deficient number, since it is larger than the sum of its proper divisors (3395003097).

10185009279 is an equidigital number, since it uses as much as digits as its factorization.

10185009279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395003096.

The product of its (nonzero) digits is 45360, while the sum is 42.

The spelling of 10185009279 in words is "ten billion, one hundred eighty-five million, nine thousand, two hundred seventy-nine".