18529941 has 4 divisors (see below), whose sum is σ = 24706592. Its totient is φ = 12353292.

The previous prime is 18529937. The next prime is 18529943. The reversal of 18529941 is 14992581.

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.

It is not a de Polignac number, because 18529941 - 2² = 18529937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18529941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18529943) 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, 3088321 + ... + 3088326.

It is an arithmetic number, because the mean of its divisors is an integer number (6176648).

Almost surely, 2^18529941 is an apocalyptic number.

It is an amenable number.

18529941 is a deficient number, since it is larger than the sum of its proper divisors (6176651).

18529941 is an equidigital number, since it uses as much as digits as its factorization.

18529941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6176650.

The product of its digits is 25920, while the sum is 39.

The square root of 18529941 is about 4304.6417969443. The cubic root of 18529941 is about 264.6212269918.

The spelling of 18529941 in words is "eighteen million, five hundred twenty-nine thousand, nine hundred forty-one".