2037645149 has 2 divisors, whose sum is σ = 2037645150. Its totient is φ = 2037645148.

The previous prime is 2037645107. The next prime is 2037645151. The reversal of 2037645149 is 9415467302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1801408249 + 236236900 = 42443^2 + 15370^2 .

It is a cyclic number.

It is not a de Polignac number, because 2037645149 - 2²⁸ = 1769209693 is a prime.

It is a super-3 number, since 3×2037645149³ (a number of 29 digits) contains 333 as substring.

Together with 2037645151, 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 (2037645199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1018822574 + 1018822575.

It is an arithmetic number, because the mean of its divisors is an integer number (1018822575).

Almost surely, 2^2037645149 is an apocalyptic number.

It is an amenable number.

2037645149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2037645149 is an equidigital number, since it uses as much as digits as its factorization.

2037645149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 2037645149 is about 45140.2829964545. The cubic root of 2037645149 is about 1267.7769506609.

The spelling of 2037645149 in words is "two billion, thirty-seven million, six hundred forty-five thousand, one hundred forty-nine".