18399627437306 has 16 divisors (see below), whose sum is σ = 29193929423424. Its totient is φ = 8679276311904.

The previous prime is 18399627437281. The next prime is 18399627437333. The reversal of 18399627437306 is 60373472699381.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2739667196 + ... + 2739673911.

It is an arithmetic number, because the mean of its divisors is an integer number (1824620588964).

Almost surely, 2^{18399627437306} is an apocalyptic number.

18399627437306 is a deficient number, since it is larger than the sum of its proper divisors (10794301986118).

18399627437306 is a wasteful number, since it uses less digits than its factorization.

18399627437306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5479341205.

The product of its (nonzero) digits is 246903552, while the sum is 68.

The spelling of 18399627437306 in words is "eighteen trillion, three hundred ninety-nine billion, six hundred twenty-seven million, four hundred thirty-seven thousand, three hundred six".