8026402493 has 2 divisors, whose sum is σ = 8026402494. Its totient is φ = 8026402492.

The previous prime is 8026402481. The next prime is 8026402499. The reversal of 8026402493 is 3942046208.

It is a happy number.

8026402493 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7381902724 + 644499769 = 85918^2 + 25387^2 .

It is a cyclic number.

It is not a de Polignac number, because 8026402493 - 2²² = 8022208189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8026402499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4013201246 + 4013201247.

It is an arithmetic number, because the mean of its divisors is an integer number (4013201247).

Almost surely, 2^8026402493 is an apocalyptic number.

It is an amenable number.

8026402493 is a deficient number, since it is larger than the sum of its proper divisors (1).

8026402493 is an equidigital number, since it uses as much as digits as its factorization.

8026402493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 8026402493 is about 89590.1919464402. The cubic root of 8026402493 is about 2002.1977917211.

The spelling of 8026402493 in words is "eight billion, twenty-six million, four hundred two thousand, four hundred ninety-three".