7422661489 has 2 divisors, whose sum is σ = 7422661490. Its totient is φ = 7422661488.

The previous prime is 7422661481. The next prime is 7422661537. The reversal of 7422661489 is 9841662247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6147814464 + 1274847025 = 78408^2 + 35705^2 .

It is a cyclic number.

It is not a de Polignac number, because 7422661489 - 2³ = 7422661481 is a prime.

It is not a weakly prime, because it can be changed into another prime (7422661481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3711330744 + 3711330745.

It is an arithmetic number, because the mean of its divisors is an integer number (3711330745).

Almost surely, 2^7422661489 is an apocalyptic number.

It is an amenable number.

7422661489 is a deficient number, since it is larger than the sum of its proper divisors (1).

7422661489 is an equidigital number, since it uses as much as digits as its factorization.

7422661489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 49.

The square root of 7422661489 is about 86154.8692123666. The cubic root of 7422661489 is about 1950.6823374984.

The spelling of 7422661489 in words is "seven billion, four hundred twenty-two million, six hundred sixty-one thousand, four hundred eighty-nine".