64476267446 has 8 divisors (see below), whose sum is σ = 96781059144. Its totient is φ = 32215914400.

The previous prime is 64476267389. The next prime is 64476267461.

It is a happy number.

64476267446 is nontrivially palindromic in base 10.

64476267446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 64476267391 and 64476267400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11106035 + ... + 11111838.

It is an arithmetic number, because the mean of its divisors is an integer number (12097632393).

Almost surely, 2^64476267446 is an apocalyptic number.

64476267446 is a deficient number, since it is larger than the sum of its proper divisors (32304791698).

64476267446 is a wasteful number, since it uses less digits than its factorization.

64476267446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22219326.

The product of its digits is 32514048, while the sum is 56.

The spelling of 64476267446 in words is "sixty-four billion, four hundred seventy-six million, two hundred sixty-seven thousand, four hundred forty-six".