18469274862839 has 2 divisors, whose sum is σ = 18469274862840. Its totient is φ = 18469274862838.

The previous prime is 18469274862827. The next prime is 18469274862869. The reversal of 18469274862839 is 93826847296481.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18469274862839 - 2¹² = 18469274858743 is a prime.

It is a super-2 number, since 2×18469274862839² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18469274862839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18469274862809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9234637431419 + 9234637431420.

It is an arithmetic number, because the mean of its divisors is an integer number (9234637431420).

Almost surely, 2^{18469274862839} is an apocalyptic number.

18469274862839 is a deficient number, since it is larger than the sum of its proper divisors (1).

18469274862839 is an equidigital number, since it uses as much as digits as its factorization.

18469274862839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2006581248, while the sum is 77.

The spelling of 18469274862839 in words is "eighteen trillion, four hundred sixty-nine billion, two hundred seventy-four million, eight hundred sixty-two thousand, eight hundred thirty-nine".