8040348493 has 2 divisors, whose sum is σ = 8040348494. Its totient is φ = 8040348492.

The previous prime is 8040348469. The next prime is 8040348523. The reversal of 8040348493 is 3948430408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4323983049 + 3716365444 = 65757^2 + 60962^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8040348493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8040348403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4020174246 + 4020174247.

It is an arithmetic number, because the mean of its divisors is an integer number (4020174247).

Almost surely, 2^8040348493 is an apocalyptic number.

It is an amenable number.

8040348493 is a deficient number, since it is larger than the sum of its proper divisors (1).

8040348493 is an equidigital number, since it uses as much as digits as its factorization.

8040348493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 8040348493 is about 89667.9903477267. The cubic root of 8040348493 is about 2003.3567374217.

The spelling of 8040348493 in words is "eight billion, forty million, three hundred forty-eight thousand, four hundred ninety-three".