18244149335 has 16 divisors (see below), whose sum is σ = 23264516736. Its totient is φ = 13687162368.

The previous prime is 18244149317. The next prime is 18244149409. The reversal of 18244149335 is 53394144281.

It is a cyclic number.

It is not a de Polignac number, because 18244149335 - 2¹⁰ = 18244148311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363887 + ... + 410976.

It is an arithmetic number, because the mean of its divisors is an integer number (1454032296).

Almost surely, 2^18244149335 is an apocalyptic number.

18244149335 is a deficient number, since it is larger than the sum of its proper divisors (5020367401).

18244149335 is a wasteful number, since it uses less digits than its factorization.

18244149335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775162.

The product of its digits is 414720, while the sum is 44.

The spelling of 18244149335 in words is "eighteen billion, two hundred forty-four million, one hundred forty-nine thousand, three hundred thirty-five".