63497212692 has 24 divisors (see below), whose sum is σ = 149824886400. Its totient is φ = 20927919936.

The previous prime is 63497212651. The next prime is 63497212699. The reversal of 63497212692 is 29621279436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63497212699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29726092 + ... + 29728227.

It is an arithmetic number, because the mean of its divisors is an integer number (6242703600).

Almost surely, 2^63497212692 is an apocalyptic number.

It is an amenable number.

63497212692 is an abundant number, since it is smaller than the sum of its proper divisors (86327673708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63497212692 is a wasteful number, since it uses less digits than its factorization.

63497212692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59454415 (or 59454413 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 51.

The spelling of 63497212692 in words is "sixty-three billion, four hundred ninety-seven million, two hundred twelve thousand, six hundred ninety-two".