7245143645939 has 2 divisors, whose sum is σ = 7245143645940. Its totient is φ = 7245143645938.

The previous prime is 7245143645917. The next prime is 7245143645951. The reversal of 7245143645939 is 9395463415427.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7245143645939 - 2⁸ = 7245143645683 is a prime.

It is not a weakly prime, because it can be changed into another prime (7245143645969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3622571822969 + 3622571822970.

It is an arithmetic number, because the mean of its divisors is an integer number (3622571822970).

Almost surely, 2^{7245143645939} is an apocalyptic number.

7245143645939 is a deficient number, since it is larger than the sum of its proper divisors (1).

7245143645939 is an equidigital number, since it uses as much as digits as its factorization.

7245143645939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97977600, while the sum is 62.

The spelling of 7245143645939 in words is "seven trillion, two hundred forty-five billion, one hundred forty-three million, six hundred forty-five thousand, nine hundred thirty-nine".