19048493 has 2 divisors, whose sum is σ = 19048494. Its totient is φ = 19048492.

The previous prime is 19048481. The next prime is 19048529. The reversal of 19048493 is 39484091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17960644 + 1087849 = 4238^2 + 1043^2 .

It is a cyclic number.

It is not a de Polignac number, because 19048493 - 2¹² = 19044397 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19048433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9524246 + 9524247.

It is an arithmetic number, because the mean of its divisors is an integer number (9524247).

Almost surely, 2^19048493 is an apocalyptic number.

It is an amenable number.

19048493 is a deficient number, since it is larger than the sum of its proper divisors (1).

19048493 is an equidigital number, since it uses as much as digits as its factorization.

19048493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 19048493 is about 4364.4579273949. The cubic root of 19048493 is about 267.0669874518.

The spelling of 19048493 in words is "nineteen million, forty-eight thousand, four hundred ninety-three".