108646819 has 2 divisors, whose sum is σ = 108646820. Its totient is φ = 108646818.

The previous prime is 108646787. The next prime is 108646823. The reversal of 108646819 is 918646801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108646819 - 2⁵ = 108646787 is a prime.

It is a super-2 number, since 2×108646819² = 23608262557637522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (108646519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54323409 + 54323410.

It is an arithmetic number, because the mean of its divisors is an integer number (54323410).

Almost surely, 2^108646819 is an apocalyptic number.

108646819 is a deficient number, since it is larger than the sum of its proper divisors (1).

108646819 is an equidigital number, since it uses as much as digits as its factorization.

108646819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 108646819 is about 10423.3784830064. The cubic root of 108646819 is about 477.1691287149.

The spelling of 108646819 in words is "one hundred eight million, six hundred forty-six thousand, eight hundred nineteen".