3051845873861 has 2 divisors, whose sum is σ = 3051845873862. Its totient is φ = 3051845873860.

The previous prime is 3051845873803. The next prime is 3051845873899. The reversal of 3051845873861 is 1683785481503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2479695837025 + 572150036836 = 1574705^2 + 756406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3051845873861 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3051845873861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3051845873801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1525922936930 + 1525922936931.

It is an arithmetic number, because the mean of its divisors is an integer number (1525922936931).

Almost surely, 2^{3051845873861} is an apocalyptic number.

It is an amenable number.

3051845873861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3051845873861 is an equidigital number, since it uses as much as digits as its factorization.

3051845873861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19353600, while the sum is 59.

The spelling of 3051845873861 in words is "three trillion, fifty-one billion, eight hundred forty-five million, eight hundred seventy-three thousand, eight hundred sixty-one".