2118893701 has 2 divisors, whose sum is σ = 2118893702. Its totient is φ = 2118893700.

The previous prime is 2118893677. The next prime is 2118893713. The reversal of 2118893701 is 1073988112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1971271201 + 147622500 = 44399^2 + 12150^2 .

It is a cyclic number.

It is not a de Polignac number, because 2118893701 - 2²⁹ = 1582022789 is a prime.

It is a super-2 number, since 2×2118893701² = 8979421032274954802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2118893761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059446850 + 1059446851.

It is an arithmetic number, because the mean of its divisors is an integer number (1059446851).

Almost surely, 2^2118893701 is an apocalyptic number.

It is an amenable number.

2118893701 is a deficient number, since it is larger than the sum of its proper divisors (1).

2118893701 is an equidigital number, since it uses as much as digits as its factorization.

2118893701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 2118893701 is about 46031.4425257345. The cubic root of 2118893701 is about 1284.4081618005.

The spelling of 2118893701 in words is "two billion, one hundred eighteen million, eight hundred ninety-three thousand, seven hundred one".