62904980209 has 2 divisors, whose sum is σ = 62904980210. Its totient is φ = 62904980208.

The previous prime is 62904980137. The next prime is 62904980239. The reversal of 62904980209 is 90208940926.

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., 47934723600 + 14970256609 = 218940^2 + 122353^2 .

It is a cyclic number.

It is not a de Polignac number, because 62904980209 - 2²⁵ = 62871425777 is a prime.

It is not a weakly prime, because it can be changed into another prime (62904980239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31452490104 + 31452490105.

It is an arithmetic number, because the mean of its divisors is an integer number (31452490105).

Almost surely, 2^62904980209 is an apocalyptic number.

It is an amenable number.

62904980209 is a deficient number, since it is larger than the sum of its proper divisors (1).

62904980209 is an equidigital number, since it uses as much as digits as its factorization.

62904980209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 62904980209 in words is "sixty-two billion, nine hundred four million, nine hundred eighty thousand, two hundred nine".