19792453 has 2 divisors, whose sum is σ = 19792454. Its totient is φ = 19792452.

The previous prime is 19792441. The next prime is 19792459. The reversal of 19792453 is 35429791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14493249 + 5299204 = 3807^2 + 2302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19792453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19792459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9896226 + 9896227.

It is an arithmetic number, because the mean of its divisors is an integer number (9896227).

Almost surely, 2^19792453 is an apocalyptic number.

It is an amenable number.

19792453 is a deficient number, since it is larger than the sum of its proper divisors (1).

19792453 is an equidigital number, since it uses as much as digits as its factorization.

19792453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 40.

The square root of 19792453 is about 4448.8709803724. The cubic root of 19792453 is about 270.4995461490.

The spelling of 19792453 in words is "nineteen million, seven hundred ninety-two thousand, four hundred fifty-three".