2187364073 has 2 divisors, whose sum is σ = 2187364074. Its totient is φ = 2187364072.

The previous prime is 2187364051. The next prime is 2187364093. The reversal of 2187364073 is 3704637812.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1680754009 + 506610064 = 40997^2 + 22508^2 .

It is a cyclic number.

It is not a de Polignac number, because 2187364073 - 2¹⁴ = 2187347689 is a prime.

It is a super-2 number, since 2×2187364073² = 9569123175702298658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2187364073.

It is not a weakly prime, because it can be changed into another prime (2187364093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1093682036 + 1093682037.

It is an arithmetic number, because the mean of its divisors is an integer number (1093682037).

Almost surely, 2^2187364073 is an apocalyptic number.

It is an amenable number.

2187364073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2187364073 is an equidigital number, since it uses as much as digits as its factorization.

2187364073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 2187364073 is about 46769.2641913469. The cubic root of 2187364073 is about 1298.0966372812.

The spelling of 2187364073 in words is "two billion, one hundred eighty-seven million, three hundred sixty-four thousand, seventy-three".