7196425861 has 2 divisors, whose sum is σ = 7196425862. Its totient is φ = 7196425860.

The previous prime is 7196425853. The next prime is 7196425871. The reversal of 7196425861 is 1685246917.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4330429636 + 2865996225 = 65806^2 + 53535^2 .

It is a cyclic number.

It is not a de Polignac number, because 7196425861 - 2³ = 7196425853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7196425871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3598212930 + 3598212931.

It is an arithmetic number, because the mean of its divisors is an integer number (3598212931).

Almost surely, 2^7196425861 is an apocalyptic number.

It is an amenable number.

7196425861 is a deficient number, since it is larger than the sum of its proper divisors (1).

7196425861 is an equidigital number, since it uses as much as digits as its factorization.

7196425861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 49.

The square root of 7196425861 is about 84831.7503120147. The cubic root of 7196425861 is about 1930.6591984315.

The spelling of 7196425861 in words is "seven billion, one hundred ninety-six million, four hundred twenty-five thousand, eight hundred sixty-one".