64969177196946 has 32 divisors (see below), whose sum is σ = 141958473792768. Its totient is φ = 19658804213840.

The previous prime is 64969177196939. The next prime is 64969177197017.

64969177196946 is nontrivially palindromic in base 10.

64969177196946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720585576 + ... + 720675731.

It is an arithmetic number, because the mean of its divisors is an integer number (4436202306024).

Almost surely, 2^{64969177196946} is an apocalyptic number.

64969177196946 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64969177196946 is an abundant number, since it is smaller than the sum of its proper divisors (76989296595822).

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

64969177196946 is a wasteful number, since it uses less digits than its factorization.

64969177196946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441262006.

The product of its digits is 6666395904, while the sum is 84.

The spelling of 64969177196946 in words is "sixty-four trillion, nine hundred sixty-nine billion, one hundred seventy-seven million, one hundred ninety-six thousand, nine hundred forty-six".