246723872189 has 2 divisors, whose sum is σ = 246723872190. Its totient is φ = 246723872188.

The previous prime is 246723872137. The next prime is 246723872191. The reversal of 246723872189 is 981278327642.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244777562500 + 1946309689 = 494750^2 + 44117^2 .

It is a cyclic number.

It is not a de Polignac number, because 246723872189 - 2²⁴ = 246707094973 is a prime.

Together with 246723872191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (246723872389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123361936094 + 123361936095.

It is an arithmetic number, because the mean of its divisors is an integer number (123361936095).

Almost surely, 2^246723872189 is an apocalyptic number.

It is an amenable number.

246723872189 is a deficient number, since it is larger than the sum of its proper divisors (1).

246723872189 is an equidigital number, since it uses as much as digits as its factorization.

246723872189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16257024, while the sum is 59.

The spelling of 246723872189 in words is "two hundred forty-six billion, seven hundred twenty-three million, eight hundred seventy-two thousand, one hundred eighty-nine".