7322149657 has 2 divisors, whose sum is σ = 7322149658. Its totient is φ = 7322149656.

The previous prime is 7322149649. The next prime is 7322149673. The reversal of 7322149657 is 7569412237.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6832014336 + 490135321 = 82656^2 + 22139^2 .

It is a cyclic number.

It is not a de Polignac number, because 7322149657 - 2³ = 7322149649 is a prime.

It is a super-2 number, since 2×7322149657² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7322449657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3661074828 + 3661074829.

It is an arithmetic number, because the mean of its divisors is an integer number (3661074829).

Almost surely, 2^7322149657 is an apocalyptic number.

It is an amenable number.

7322149657 is a deficient number, since it is larger than the sum of its proper divisors (1).

7322149657 is an equidigital number, since it uses as much as digits as its factorization.

7322149657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 46.

The square root of 7322149657 is about 85569.5603412802. The cubic root of 7322149657 is about 1941.8374253117.

The spelling of 7322149657 in words is "seven billion, three hundred twenty-two million, one hundred forty-nine thousand, six hundred fifty-seven".