7075651861 has 2 divisors, whose sum is σ = 7075651862. Its totient is φ = 7075651860.

The previous prime is 7075651853. The next prime is 7075651901. The reversal of 7075651861 is 1681565707.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7050960900 + 24690961 = 83970^2 + 4969^2 .

It is a cyclic number.

It is not a de Polignac number, because 7075651861 - 2³ = 7075651853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7075651061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3537825930 + 3537825931.

It is an arithmetic number, because the mean of its divisors is an integer number (3537825931).

Almost surely, 2^7075651861 is an apocalyptic number.

It is an amenable number.

7075651861 is a deficient number, since it is larger than the sum of its proper divisors (1).

7075651861 is an equidigital number, since it uses as much as digits as its factorization.

7075651861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 7075651861 is about 84116.8940284887. The cubic root of 7075651861 is about 1919.7977815275.

The spelling of 7075651861 in words is "seven billion, seventy-five million, six hundred fifty-one thousand, eight hundred sixty-one".