2068558537 has 2 divisors, whose sum is σ = 2068558538. Its totient is φ = 2068558536.

The previous prime is 2068558529. The next prime is 2068558543. The reversal of 2068558537 is 7358558602.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1135622601 + 932935936 = 33699^2 + 30544^2 .

It is a cyclic number.

It is not a de Polignac number, because 2068558537 - 2³ = 2068558529 is a prime.

It is not a weakly prime, because it can be changed into another prime (2068558237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034279268 + 1034279269.

It is an arithmetic number, because the mean of its divisors is an integer number (1034279269).

Almost surely, 2^2068558537 is an apocalyptic number.

It is an amenable number.

2068558537 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068558537 is an equidigital number, since it uses as much as digits as its factorization.

2068558537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016000, while the sum is 49.

The square root of 2068558537 is about 45481.4086963014. The cubic root of 2068558537 is about 1274.1560041918.

The spelling of 2068558537 in words is "two billion, sixty-eight million, five hundred fifty-eight thousand, five hundred thirty-seven".