7420099549 has 2 divisors, whose sum is σ = 7420099550. Its totient is φ = 7420099548.

The previous prime is 7420099493. The next prime is 7420099601. The reversal of 7420099549 is 9459900247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6996151449 + 423948100 = 83643^2 + 20590^2 .

It is a cyclic number.

It is not a de Polignac number, because 7420099549 - 2²⁷ = 7285881821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7420099649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710049774 + 3710049775.

It is an arithmetic number, because the mean of its divisors is an integer number (3710049775).

Almost surely, 2^7420099549 is an apocalyptic number.

It is an amenable number.

7420099549 is a deficient number, since it is larger than the sum of its proper divisors (1).

7420099549 is an equidigital number, since it uses as much as digits as its factorization.

7420099549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 7420099549 is about 86139.9997039703. Note that the first 3 decimals coincide. The cubic root of 7420099549 is about 1950.4578849354.

The spelling of 7420099549 in words is "seven billion, four hundred twenty million, ninety-nine thousand, five hundred forty-nine".