108454919 has 2 divisors, whose sum is σ = 108454920. Its totient is φ = 108454918.

The previous prime is 108454877. The next prime is 108454933. The reversal of 108454919 is 919454801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108454919 is a prime.

It is a super-2 number, since 2×108454919² = 23524938910593122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108454949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54227459 + 54227460.

It is an arithmetic number, because the mean of its divisors is an integer number (54227460).

Almost surely, 2^108454919 is an apocalyptic number.

108454919 is a deficient number, since it is larger than the sum of its proper divisors (1).

108454919 is an equidigital number, since it uses as much as digits as its factorization.

108454919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 108454919 is about 10414.1691459281. The cubic root of 108454919 is about 476.8880260821. Note that the first 3 decimals are identical.

The spelling of 108454919 in words is "one hundred eight million, four hundred fifty-four thousand, nine hundred nineteen".