2361028861 has 2 divisors, whose sum is σ = 2361028862. Its totient is φ = 2361028860.

The previous prime is 2361028849. The next prime is 2361028897. The reversal of 2361028861 is 1688201632.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1599600025 + 761428836 = 39995^2 + 27594^2 .

It is a cyclic number.

It is not a de Polignac number, because 2361028861 - 2¹⁵ = 2360996093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2361028861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2361028801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1180514430 + 1180514431.

It is an arithmetic number, because the mean of its divisors is an integer number (1180514431).

Almost surely, 2^2361028861 is an apocalyptic number.

It is an amenable number.

2361028861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2361028861 is an equidigital number, since it uses as much as digits as its factorization.

2361028861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 2361028861 is about 48590.4194363457. The cubic root of 2361028861 is about 1331.5794943746.

The spelling of 2361028861 in words is "two billion, three hundred sixty-one million, twenty-eight thousand, eight hundred sixty-one".