7449243499 has 2 divisors, whose sum is σ = 7449243500. Its totient is φ = 7449243498.

The previous prime is 7449243479. The next prime is 7449243523. The reversal of 7449243499 is 9943429447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7449243499 - 2⁷ = 7449243371 is a prime.

It is not a weakly prime, because it can be changed into another prime (7449243409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3724621749 + 3724621750.

It is an arithmetic number, because the mean of its divisors is an integer number (3724621750).

Almost surely, 2^7449243499 is an apocalyptic number.

7449243499 is a deficient number, since it is larger than the sum of its proper divisors (1).

7449243499 is an equidigital number, since it uses as much as digits as its factorization.

7449243499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 55.

The square root of 7449243499 is about 86309.0001042765. Note that the first 3 decimals coincide. The cubic root of 7449243499 is about 1953.0081556106.

The spelling of 7449243499 in words is "seven billion, four hundred forty-nine million, two hundred forty-three thousand, four hundred ninety-nine".