7125529979 has 2 divisors, whose sum is σ = 7125529980. Its totient is φ = 7125529978.

The previous prime is 7125529969. The next prime is 7125530003. The reversal of 7125529979 is 9799255217.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7125529979 - 2⁴ = 7125529963 is a prime.

It is not a weakly prime, because it can be changed into another prime (7125529909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3562764989 + 3562764990.

It is an arithmetic number, because the mean of its divisors is an integer number (3562764990).

Almost surely, 2^7125529979 is an apocalyptic number.

7125529979 is a deficient number, since it is larger than the sum of its proper divisors (1).

7125529979 is an equidigital number, since it uses as much as digits as its factorization.

7125529979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3572100, while the sum is 56.

The square root of 7125529979 is about 84412.8543469536. The cubic root of 7125529979 is about 1924.2982749767.

The spelling of 7125529979 in words is "seven billion, one hundred twenty-five million, five hundred twenty-nine thousand, nine hundred seventy-nine".