5861459861 has 2 divisors, whose sum is σ = 5861459862. Its totient is φ = 5861459860.

The previous prime is 5861459839. The next prime is 5861459897. The reversal of 5861459861 is 1689541685.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5853015025 + 8444836 = 76505^2 + 2906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5861459861 is a prime.

It is a super-2 number, since 2×5861459861² = 68713423404228278642, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5861449861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2930729930 + 2930729931.

It is an arithmetic number, because the mean of its divisors is an integer number (2930729931).

Almost surely, 2^5861459861 is an apocalyptic number.

It is an amenable number.

5861459861 is a deficient number, since it is larger than the sum of its proper divisors (1).

5861459861 is an equidigital number, since it uses as much as digits as its factorization.

5861459861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2073600, while the sum is 53.

The square root of 5861459861 is about 76560.1715058163. The cubic root of 5861459861 is about 1803.0257608091.

The spelling of 5861459861 in words is "five billion, eight hundred sixty-one million, four hundred fifty-nine thousand, eight hundred sixty-one".