7622619049 has 2 divisors, whose sum is σ = 7622619050. Its totient is φ = 7622619048.

The previous prime is 7622619041. The next prime is 7622619077. The reversal of 7622619049 is 9409162267.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5588609049 + 2034010000 = 74757^2 + 45100^2 .

It is an emirp because it is prime and its reverse (9409162267) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7622619049 - 2³ = 7622619041 is a prime.

It is not a weakly prime, because it can be changed into another prime (7622619041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3811309524 + 3811309525.

It is an arithmetic number, because the mean of its divisors is an integer number (3811309525).

Almost surely, 2^7622619049 is an apocalyptic number.

It is an amenable number.

7622619049 is a deficient number, since it is larger than the sum of its proper divisors (1).

7622619049 is an equidigital number, since it uses as much as digits as its factorization.

7622619049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 7622619049 is about 87307.6116326635. The cubic root of 7622619049 is about 1968.0437044992.

The spelling of 7622619049 in words is "seven billion, six hundred twenty-two million, six hundred nineteen thousand, forty-nine".