2645650037 has 2 divisors, whose sum is σ = 2645650038. Its totient is φ = 2645650036.

The previous prime is 2645650027. The next prime is 2645650087. The reversal of 2645650037 is 7300565462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2642062801 + 3587236 = 51401^2 + 1894^2 .

It is a cyclic number.

It is not a de Polignac number, because 2645650037 - 2¹⁸ = 2645387893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2645650027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322825018 + 1322825019.

It is an arithmetic number, because the mean of its divisors is an integer number (1322825019).

Almost surely, 2^2645650037 is an apocalyptic number.

It is an amenable number.

2645650037 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645650037 is an equidigital number, since it uses as much as digits as its factorization.

2645650037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 2645650037 is about 51435.8827765209. The cubic root of 2645650037 is about 1383.0699067689.

The spelling of 2645650037 in words is "two billion, six hundred forty-five million, six hundred fifty thousand, thirty-seven".