537899009 has 2 divisors, whose sum is σ = 537899010. Its totient is φ = 537899008.

The previous prime is 537898979. The next prime is 537899027. The reversal of 537899009 is 900998735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414244609 + 123654400 = 20353^2 + 11120^2 .

It is a cyclic number.

It is not a de Polignac number, because 537899009 - 2¹² = 537894913 is a prime.

It is not a weakly prime, because it can be changed into another prime (537899209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268949504 + 268949505.

It is an arithmetic number, because the mean of its divisors is an integer number (268949505).

Almost surely, 2^537899009 is an apocalyptic number.

It is an amenable number.

537899009 is a deficient number, since it is larger than the sum of its proper divisors (1).

537899009 is an equidigital number, since it uses as much as digits as its factorization.

537899009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 537899009 is about 23192.6498917222. The cubic root of 537899009 is about 813.2678073424.

The spelling of 537899009 in words is "five hundred thirty-seven million, eight hundred ninety-nine thousand, nine".