7425813667 has 2 divisors, whose sum is σ = 7425813668. Its totient is φ = 7425813666.

The previous prime is 7425813611. The next prime is 7425813677. The reversal of 7425813667 is 7663185247.

It is a strong prime.

It is an emirp because it is prime and its reverse (7663185247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7425813667 - 2²⁷ = 7291595939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7425813667.

It is not a weakly prime, because it can be changed into another prime (7425813677) 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, 3712906833 + 3712906834.

It is an arithmetic number, because the mean of its divisors is an integer number (3712906834).

Almost surely, 2^7425813667 is an apocalyptic number.

7425813667 is a deficient number, since it is larger than the sum of its proper divisors (1).

7425813667 is an equidigital number, since it uses as much as digits as its factorization.

7425813667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 49.

The square root of 7425813667 is about 86173.1609435328. The cubic root of 7425813667 is about 1950.9584301887.

The spelling of 7425813667 in words is "seven billion, four hundred twenty-five million, eight hundred thirteen thousand, six hundred sixty-seven".