19052993 has 6 divisors (see below), whose sum is σ = 19917954. Its totient is φ = 18224096.

The previous prime is 19052989. The next prime is 19053007. The reversal of 19052993 is 39925091.

It can be written as a sum of positive squares in only one way, i.e., 16386304 + 2666689 = 4048^2 + 1633^2 .

It is not a de Polignac number, because 19052993 - 2² = 19052989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19052963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17480 + ... + 18537.

It is an arithmetic number, because the mean of its divisors is an integer number (3319659).

Almost surely, 2^19052993 is an apocalyptic number.

It is an amenable number.

19052993 is a deficient number, since it is larger than the sum of its proper divisors (864961).

19052993 is an equidigital number, since it uses as much as digits as its factorization.

19052993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36063 (or 36040 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 19052993 is about 4364.9734248905. The cubic root of 19052993 is about 267.0880163563.

The spelling of 19052993 in words is "nineteen million, fifty-two thousand, nine hundred ninety-three".