2146689037 has 2 divisors, whose sum is σ = 2146689038. Its totient is φ = 2146689036.

The previous prime is 2146688993. The next prime is 2146689049. The reversal of 2146689037 is 7309866412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1640169001 + 506520036 = 40499^2 + 22506^2 .

It is a cyclic number.

It is not a de Polignac number, because 2146689037 - 2⁷ = 2146688909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2146684037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073344518 + 1073344519.

It is an arithmetic number, because the mean of its divisors is an integer number (1073344519).

Almost surely, 2^2146689037 is an apocalyptic number.

It is an amenable number.

2146689037 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146689037 is an equidigital number, since it uses as much as digits as its factorization.

2146689037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 2146689037 is about 46332.3756891442. The cubic root of 2146689037 is about 1290.0000074114. Note that the first 5 decimals are identical.

The spelling of 2146689037 in words is "two billion, one hundred forty-six million, six hundred eighty-nine thousand, thirty-seven".