7045868957 has 2 divisors, whose sum is σ = 7045868958. Its totient is φ = 7045868956.

The previous prime is 7045868953. The next prime is 7045868959. The reversal of 7045868957 is 7598685407.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6301343161 + 744525796 = 79381^2 + 27286^2 .

It is an emirp because it is prime and its reverse (7598685407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7045868957 - 2² = 7045868953 is a prime.

Together with 7045868959, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7045868896 and 7045868905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7045868953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3522934478 + 3522934479.

It is an arithmetic number, because the mean of its divisors is an integer number (3522934479).

Almost surely, 2^7045868957 is an apocalyptic number.

It is an amenable number.

7045868957 is a deficient number, since it is larger than the sum of its proper divisors (1).

7045868957 is an equidigital number, since it uses as much as digits as its factorization.

7045868957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16934400, while the sum is 59.

The square root of 7045868957 is about 83939.6745109248. The cubic root of 7045868957 is about 1917.1003827189.

The spelling of 7045868957 in words is "seven billion, forty-five million, eight hundred sixty-eight thousand, nine hundred fifty-seven".