7274965861 has 2 divisors, whose sum is σ = 7274965862. Its totient is φ = 7274965860.

The previous prime is 7274965811. The next prime is 7274965883. The reversal of 7274965861 is 1685694727.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3782865025 + 3492100836 = 61505^2 + 59094^2 .

It is a cyclic number.

It is not a de Polignac number, because 7274965861 - 2¹⁵ = 7274933093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7274965811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3637482930 + 3637482931.

It is an arithmetic number, because the mean of its divisors is an integer number (3637482931).

Almost surely, 2^7274965861 is an apocalyptic number.

It is an amenable number.

7274965861 is a deficient number, since it is larger than the sum of its proper divisors (1).

7274965861 is an equidigital number, since it uses as much as digits as its factorization.

7274965861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 55.

The square root of 7274965861 is about 85293.4104195629. The cubic root of 7274965861 is about 1937.6573789664.

The spelling of 7274965861 in words is "seven billion, two hundred seventy-four million, nine hundred sixty-five thousand, eight hundred sixty-one".