2340020549 has 2 divisors, whose sum is σ = 2340020550. Its totient is φ = 2340020548.

The previous prime is 2340020521. The next prime is 2340020581. The reversal of 2340020549 is 9450200432.

2340020549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2294889025 + 45131524 = 47905^2 + 6718^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2340020549 is a prime.

It is a super-2 number, since 2×2340020549² = 10951392339484522802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2340020519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170010274 + 1170010275.

It is an arithmetic number, because the mean of its divisors is an integer number (1170010275).

Almost surely, 2^2340020549 is an apocalyptic number.

It is an amenable number.

2340020549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340020549 is an equidigital number, since it uses as much as digits as its factorization.

2340020549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2340020549 is about 48373.7588884718. The cubic root of 2340020549 is about 1327.6182804538.

The spelling of 2340020549 in words is "two billion, three hundred forty million, twenty thousand, five hundred forty-nine".