7430673643 has 2 divisors, whose sum is σ = 7430673644. Its totient is φ = 7430673642.

The previous prime is 7430673637. The next prime is 7430673707. The reversal of 7430673643 is 3463760347.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7430673643 - 2⁵ = 7430673611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7430673643.

It is not a weakly prime, because it can be changed into another prime (7430673443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3715336821 + 3715336822.

It is an arithmetic number, because the mean of its divisors is an integer number (3715336822).

Almost surely, 2^7430673643 is an apocalyptic number.

7430673643 is a deficient number, since it is larger than the sum of its proper divisors (1).

7430673643 is an equidigital number, since it uses as much as digits as its factorization.

7430673643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 43.

The square root of 7430673643 is about 86201.3552271657. The cubic root of 7430673643 is about 1951.3839522862.

The spelling of 7430673643 in words is "seven billion, four hundred thirty million, six hundred seventy-three thousand, six hundred forty-three".