109146893 has 2 divisors, whose sum is σ = 109146894. Its totient is φ = 109146892.

The previous prime is 109146889. The next prime is 109146931. The reversal of 109146893 is 398641901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71961289 + 37185604 = 8483^2 + 6098^2 .

It is a cyclic number.

It is not a de Polignac number, because 109146893 - 2² = 109146889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109146893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109146803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54573446 + 54573447.

It is an arithmetic number, because the mean of its divisors is an integer number (54573447).

Almost surely, 2^109146893 is an apocalyptic number.

It is an amenable number.

109146893 is a deficient number, since it is larger than the sum of its proper divisors (1).

109146893 is an equidigital number, since it uses as much as digits as its factorization.

109146893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 109146893 is about 10447.3390392004. The cubic root of 109146893 is about 477.9001048812.

The spelling of 109146893 in words is "one hundred nine million, one hundred forty-six thousand, eight hundred ninety-three".