18424660311309 has 24 divisors (see below), whose sum is σ = 28782614290080. Its totient is φ = 10452633587424.

The previous prime is 18424660311259. The next prime is 18424660311353. The reversal of 18424660311309 is 90311306642481.

It is not a de Polignac number, because 18424660311309 - 2¹¹ = 18424660309261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18424660311509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 450835054 + ... + 450875919.

It is an arithmetic number, because the mean of its divisors is an integer number (1199275595420).

Almost surely, 2^{18424660311309} is an apocalyptic number.

It is an amenable number.

18424660311309 is a deficient number, since it is larger than the sum of its proper divisors (10357953978771).

18424660311309 is a wasteful number, since it uses less digits than its factorization.

18424660311309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901711129 (or 901711122 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 18424660311309 in words is "eighteen trillion, four hundred twenty-four billion, six hundred sixty million, three hundred eleven thousand, three hundred nine".