4955201861 has 2 divisors, whose sum is σ = 4955201862. Its totient is φ = 4955201860.

The previous prime is 4955201833. The next prime is 4955201887. The reversal of 4955201861 is 1681025594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4920321025 + 34880836 = 70145^2 + 5906^2 .

It is a cyclic number.

It is not a de Polignac number, because 4955201861 - 2²² = 4951007557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4955221861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2477600930 + 2477600931.

It is an arithmetic number, because the mean of its divisors is an integer number (2477600931).

Almost surely, 2^4955201861 is an apocalyptic number.

It is an amenable number.

4955201861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4955201861 is an equidigital number, since it uses as much as digits as its factorization.

4955201861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 4955201861 is about 70393.1947065908. The cubic root of 4955201861 is about 1704.8537022703.

The spelling of 4955201861 in words is "four billion, nine hundred fifty-five million, two hundred one thousand, eight hundred sixty-one".