7314531649 has 2 divisors, whose sum is σ = 7314531650. Its totient is φ = 7314531648.

The previous prime is 7314531611. The next prime is 7314531761. The reversal of 7314531649 is 9461354137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4095104049 + 3219427600 = 63993^2 + 56740^2 .

It is a cyclic number.

It is not a de Polignac number, because 7314531649 - 2¹⁹ = 7314007361 is a prime.

It is not a weakly prime, because it can be changed into another prime (7314531149) 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, 3657265824 + 3657265825.

It is an arithmetic number, because the mean of its divisors is an integer number (3657265825).

Almost surely, 2^7314531649 is an apocalyptic number.

It is an amenable number.

7314531649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7314531649 is an equidigital number, since it uses as much as digits as its factorization.

7314531649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 7314531649 is about 85525.0352177653. The cubic root of 7314531649 is about 1941.1637585645.

The spelling of 7314531649 in words is "seven billion, three hundred fourteen million, five hundred thirty-one thousand, six hundred forty-nine".