17400391027 has 2 divisors, whose sum is σ = 17400391028. Its totient is φ = 17400391026.

The previous prime is 17400391013. The next prime is 17400391069. The reversal of 17400391027 is 72019300471.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17400391027 - 2⁷ = 17400390899 is a prime.

It is a super-2 number, since 2×17400391027² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 17400390983 and 17400391001.

It is not a weakly prime, because it can be changed into another prime (17400391427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8700195513 + 8700195514.

It is an arithmetic number, because the mean of its divisors is an integer number (8700195514).

Almost surely, 2^17400391027 is an apocalyptic number.

17400391027 is a deficient number, since it is larger than the sum of its proper divisors (1).

17400391027 is an equidigital number, since it uses as much as digits as its factorization.

17400391027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 34.

Adding to 17400391027 its reverse (72019300471), we get a palindrome (89419691498).

The spelling of 17400391027 in words is "seventeen billion, four hundred million, three hundred ninety-one thousand, twenty-seven".