38719453 has 2 divisors, whose sum is σ = 38719454. Its totient is φ = 38719452.

The previous prime is 38719441. The next prime is 38719459. The reversal of 38719453 is 35491783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34727449 + 3992004 = 5893^2 + 1998^2 .

It is a cyclic number.

It is not a de Polignac number, because 38719453 - 2²⁵ = 5165021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38719459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19359726 + 19359727.

It is an arithmetic number, because the mean of its divisors is an integer number (19359727).

Almost surely, 2^38719453 is an apocalyptic number.

It is an amenable number.

38719453 is a deficient number, since it is larger than the sum of its proper divisors (1).

38719453 is an equidigital number, since it uses as much as digits as its factorization.

38719453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 38719453 is about 6222.4957211717. The cubic root of 38719453 is about 338.3060292190.

The spelling of 38719453 in words is "thirty-eight million, seven hundred nineteen thousand, four hundred fifty-three".