109051493 has 2 divisors, whose sum is σ = 109051494. Its totient is φ = 109051492.

The previous prime is 109051463. The next prime is 109051499. The reversal of 109051493 is 394150901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109035364 + 16129 = 10442^2 + 127^2 .

It is an emirp because it is prime and its reverse (394150901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109051493 - 2⁶ = 109051429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109051499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54525746 + 54525747.

It is an arithmetic number, because the mean of its divisors is an integer number (54525747).

Almost surely, 2^109051493 is an apocalyptic number.

It is an amenable number.

109051493 is a deficient number, since it is larger than the sum of its proper divisors (1).

109051493 is an equidigital number, since it uses as much as digits as its factorization.

109051493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 109051493 is about 10442.7722851741. The cubic root of 109051493 is about 477.7608278685.

The spelling of 109051493 in words is "one hundred nine million, fifty-one thousand, four hundred ninety-three".