7125314583421 has 2 divisors, whose sum is σ = 7125314583422. Its totient is φ = 7125314583420.

The previous prime is 7125314583407. The next prime is 7125314583479. The reversal of 7125314583421 is 1243854135217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6985374996196 + 139939587225 = 2642986^2 + 374085^2 .

It is a cyclic number.

It is not a de Polignac number, because 7125314583421 - 2⁵ = 7125314583389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7125314583481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3562657291710 + 3562657291711.

It is an arithmetic number, because the mean of its divisors is an integer number (3562657291711).

Almost surely, 2^{7125314583421} is an apocalyptic number.

It is an amenable number.

7125314583421 is a deficient number, since it is larger than the sum of its proper divisors (1).

7125314583421 is an equidigital number, since it uses as much as digits as its factorization.

7125314583421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 46.

The spelling of 7125314583421 in words is "seven trillion, one hundred twenty-five billion, three hundred fourteen million, five hundred eighty-three thousand, four hundred twenty-one".