18407306383 has 2 divisors, whose sum is σ = 18407306384. Its totient is φ = 18407306382.

The previous prime is 18407306377. The next prime is 18407306429. The reversal of 18407306383 is 38360370481.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18407306383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18407306783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9203653191 + 9203653192.

It is an arithmetic number, because the mean of its divisors is an integer number (9203653192).

Almost surely, 2^18407306383 is an apocalyptic number.

18407306383 is a deficient number, since it is larger than the sum of its proper divisors (1).

18407306383 is an equidigital number, since it uses as much as digits as its factorization.

18407306383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 18407306383 in words is "eighteen billion, four hundred seven million, three hundred six thousand, three hundred eighty-three".