2537716549 has 2 divisors, whose sum is σ = 2537716550. Its totient is φ = 2537716548.

The previous prime is 2537716547. The next prime is 2537716567. The reversal of 2537716549 is 9456177352.

2537716549 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., 2501500225 + 36216324 = 50015^2 + 6018^2 .

It is a cyclic number.

It is not a de Polignac number, because 2537716549 - 2¹ = 2537716547 is a prime.

Together with 2537716547, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2537716547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1268858274 + 1268858275.

It is an arithmetic number, because the mean of its divisors is an integer number (1268858275).

Almost surely, 2^2537716549 is an apocalyptic number.

It is an amenable number.

2537716549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2537716549 is an equidigital number, since it uses as much as digits as its factorization.

2537716549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 49.

The square root of 2537716549 is about 50375.7535824527. The cubic root of 2537716549 is about 1364.0000008958. Note that the first 6 decimals are identical.

The spelling of 2537716549 in words is "two billion, five hundred thirty-seven million, seven hundred sixteen thousand, five hundred forty-nine".