63212820586 has 16 divisors (see below), whose sum is σ = 98101708200. Its totient is φ = 30512536768.

The previous prime is 63212820581. The next prime is 63212820599. The reversal of 63212820586 is 68502821236.

It can be written as a sum of positive squares in 4 ways, for example, as 62265719961 + 947100625 = 249531^2 + 30775^2 .

It is not an unprimeable number, because it can be changed into a prime (63212820581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402060 + ... + 536728.

Almost surely, 2^63212820586 is an apocalyptic number.

63212820586 is a deficient number, since it is larger than the sum of its proper divisors (34888887614).

63212820586 is a wasteful number, since it uses less digits than its factorization.

63212820586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142793.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 63212820586 in words is "sixty-three billion, two hundred twelve million, eight hundred twenty thousand, five hundred eighty-six".