109492993 has 4 divisors (see below), whose sum is σ = 110516400. Its totient is φ = 108469588.

The previous prime is 109492979. The next prime is 109493011. The reversal of 109492993 is 399294901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 399294901 = 15737 ⋅25373.

It is a cyclic number.

It is not a de Polignac number, because 109492993 - 2¹⁷ = 109361921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109492913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511543 + ... + 511756.

It is an arithmetic number, because the mean of its divisors is an integer number (27629100).

Almost surely, 2^109492993 is an apocalyptic number.

It is an amenable number.

109492993 is a deficient number, since it is larger than the sum of its proper divisors (1023407).

109492993 is a wasteful number, since it uses less digits than its factorization.

109492993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023406.

The product of its (nonzero) digits is 157464, while the sum is 46.

The square root of 109492993 is about 10463.8899554611. The cubic root of 109492993 is about 478.4047053098.

The spelling of 109492993 in words is "one hundred nine million, four hundred ninety-two thousand, nine hundred ninety-three".