7422799649 has 2 divisors, whose sum is σ = 7422799650. Its totient is φ = 7422799648.

The previous prime is 7422799577. The next prime is 7422799679. The reversal of 7422799649 is 9469972247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7323936400 + 98863249 = 85580^2 + 9943^2 .

It is a cyclic number.

It is not a de Polignac number, because 7422799649 - 2¹⁶ = 7422734113 is a prime.

It is not a weakly prime, because it can be changed into another prime (7422799679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3711399824 + 3711399825.

It is an arithmetic number, because the mean of its divisors is an integer number (3711399825).

Almost surely, 2^7422799649 is an apocalyptic number.

It is an amenable number.

7422799649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7422799649 is an equidigital number, since it uses as much as digits as its factorization.

7422799649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13716864, while the sum is 59.

The square root of 7422799649 is about 86155.6710205428. The cubic root of 7422799649 is about 1950.6944402821.

The spelling of 7422799649 in words is "seven billion, four hundred twenty-two million, seven hundred ninety-nine thousand, six hundred forty-nine".