63211390473 has 24 divisors (see below), whose sum is σ = 106955082720. Its totient is φ = 32837085120.

The previous prime is 63211390469. The next prime is 63211390477. The reversal of 63211390473 is 37409311236.

63211390473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63211390469) and next prime (63211390477).

It is not a de Polignac number, because 63211390473 - 2² = 63211390469 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63211390477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19544268 + ... + 19547501.

It is an arithmetic number, because the mean of its divisors is an integer number (4456461780).

Almost surely, 2^63211390473 is an apocalyptic number.

It is an amenable number.

63211390473 is a deficient number, since it is larger than the sum of its proper divisors (43743692247).

63211390473 is a wasteful number, since it uses less digits than its factorization.

63211390473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39091797 (or 39091790 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The spelling of 63211390473 in words is "sixty-three billion, two hundred eleven million, three hundred ninety thousand, four hundred seventy-three".