7630543643 has 2 divisors, whose sum is σ = 7630543644. Its totient is φ = 7630543642.

The previous prime is 7630543607. The next prime is 7630543651. The reversal of 7630543643 is 3463450367.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7630543643 - 2¹⁸ = 7630281499 is a prime.

It is a super-2 number, since 2×7630543643² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7630543643.

It is not a weakly prime, because it can be changed into another prime (7630543603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3815271821 + 3815271822.

It is an arithmetic number, because the mean of its divisors is an integer number (3815271822).

Almost surely, 2^7630543643 is an apocalyptic number.

7630543643 is a deficient number, since it is larger than the sum of its proper divisors (1).

7630543643 is an equidigital number, since it uses as much as digits as its factorization.

7630543643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 41.

The square root of 7630543643 is about 87352.9830229054. The cubic root of 7630543643 is about 1968.7254713020.

The spelling of 7630543643 in words is "seven billion, six hundred thirty million, five hundred forty-three thousand, six hundred forty-three".