63346688091 has 16 divisors (see below), whose sum is σ = 94522108800. Its totient is φ = 41927301864.

The previous prime is 63346688089. The next prime is 63346688129. The reversal of 63346688091 is 19088664336.

It is not a de Polignac number, because 63346688091 - 2¹ = 63346688089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63346688051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8435721 + ... + 8443226.

It is an arithmetic number, because the mean of its divisors is an integer number (5907631800).

Almost surely, 2^63346688091 is an apocalyptic number.

63346688091 is a deficient number, since it is larger than the sum of its proper divisors (31175420709).

63346688091 is a wasteful number, since it uses less digits than its factorization.

63346688091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16879095 (or 16879089 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 63346688091 in words is "sixty-three billion, three hundred forty-six million, six hundred eighty-eight thousand, ninety-one".