64380606476 has 6 divisors (see below), whose sum is σ = 112666061340. Its totient is φ = 32190303236.

The previous prime is 64380606461. The next prime is 64380606481. The reversal of 64380606476 is 67460608346.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8047575806 + ... + 8047575813.

It is an arithmetic number, because the mean of its divisors is an integer number (18777676890).

Almost surely, 2^64380606476 is an apocalyptic number.

It is an amenable number.

64380606476 is a deficient number, since it is larger than the sum of its proper divisors (48285454864).

64380606476 is a wasteful number, since it uses less digits than its factorization.

64380606476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16095151623 (or 16095151621 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 50.

The spelling of 64380606476 in words is "sixty-four billion, three hundred eighty million, six hundred six thousand, four hundred seventy-six".