8146590449 has 2 divisors, whose sum is σ = 8146590450. Its totient is φ = 8146590448.

The previous prime is 8146590341. The next prime is 8146590457. The reversal of 8146590449 is 9440956418.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8020993600 + 125596849 = 89560^2 + 11207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8146590449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8146590397 and 8146590406.

It is not a weakly prime, because it can be changed into another prime (8146590469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4073295224 + 4073295225.

It is an arithmetic number, because the mean of its divisors is an integer number (4073295225).

Almost surely, 2^8146590449 is an apocalyptic number.

It is an amenable number.

8146590449 is a deficient number, since it is larger than the sum of its proper divisors (1).

8146590449 is an equidigital number, since it uses as much as digits as its factorization.

8146590449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 8146590449 is about 90258.4646944540. The cubic root of 8146590449 is about 2012.1420074051.

The spelling of 8146590449 in words is "eight billion, one hundred forty-six million, five hundred ninety thousand, four hundred forty-nine".