7630643249 has 2 divisors, whose sum is σ = 7630643250. Its totient is φ = 7630643248.

The previous prime is 7630643233. The next prime is 7630643281. The reversal of 7630643249 is 9423460367.

7630643249 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6900292624 + 730350625 = 83068^2 + 27025^2 .

It is a cyclic number.

It is not a de Polignac number, because 7630643249 - 2⁴ = 7630643233 is a prime.

It is not a weakly prime, because it can be changed into another prime (7630643549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3815321624 + 3815321625.

It is an arithmetic number, because the mean of its divisors is an integer number (3815321625).

Almost surely, 2^7630643249 is an apocalyptic number.

It is an amenable number.

7630643249 is a deficient number, since it is larger than the sum of its proper divisors (1).

7630643249 is an equidigital number, since it uses as much as digits as its factorization.

7630643249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 44.

The square root of 7630643249 is about 87353.5531561253. The cubic root of 7630643249 is about 1968.7340375775.

The spelling of 7630643249 in words is "seven billion, six hundred thirty million, six hundred forty-three thousand, two hundred forty-nine".