18015048629 has 8 divisors (see below), whose sum is σ = 18466755840. Its totient is φ = 17566191856.

The previous prime is 18015048593. The next prime is 18015048661. The reversal of 18015048629 is 92684051081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18015048629 - 2¹² = 18015044533 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 18015048629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18015048829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699809 + ... + 725094.

It is an arithmetic number, because the mean of its divisors is an integer number (2308344480).

Almost surely, 2^18015048629 is an apocalyptic number.

It is an amenable number.

18015048629 is a deficient number, since it is larger than the sum of its proper divisors (451707211).

18015048629 is a wasteful number, since it uses less digits than its factorization.

18015048629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425219.

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 18015048629 in words is "eighteen billion, fifteen million, forty-eight thousand, six hundred twenty-nine".