19094413 has 4 divisors (see below), whose sum is σ = 20563228. Its totient is φ = 17625600.

The previous prime is 19094407. The next prime is 19094431. The reversal of 19094413 is 31449091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31449091 = 41 ⋅767051.

It can be written as a sum of positive squares in 2 ways, for example, as 7717284 + 11377129 = 2778^2 + 3373^2 .

It is a cyclic number.

It is not a de Polignac number, because 19094413 - 2⁵ = 19094381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19094443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734388 + ... + 734413.

It is an arithmetic number, because the mean of its divisors is an integer number (5140807).

Almost surely, 2^19094413 is an apocalyptic number.

19094413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

19094413 is a deficient number, since it is larger than the sum of its proper divisors (1468815).

19094413 is a wasteful number, since it uses less digits than its factorization.

19094413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468814.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 19094413 is about 4369.7154369593. The cubic root of 19094413 is about 267.2814204181.

The spelling of 19094413 in words is "nineteen million, ninety-four thousand, four hundred thirteen".