2367811861 has 2 divisors, whose sum is σ = 2367811862. Its totient is φ = 2367811860.

The previous prime is 2367811847. The next prime is 2367811883. The reversal of 2367811861 is 1681187632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2275767025 + 92044836 = 47705^2 + 9594^2 .

It is a cyclic number.

It is not a de Polignac number, because 2367811861 - 2⁵ = 2367811829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2367811811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1183905930 + 1183905931.

It is an arithmetic number, because the mean of its divisors is an integer number (1183905931).

Almost surely, 2^2367811861 is an apocalyptic number.

It is an amenable number.

2367811861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2367811861 is an equidigital number, since it uses as much as digits as its factorization.

2367811861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 43.

The square root of 2367811861 is about 48660.1670876704. The cubic root of 2367811861 is about 1332.8534401240.

The spelling of 2367811861 in words is "two billion, three hundred sixty-seven million, eight hundred eleven thousand, eight hundred sixty-one".