64046920802 has 6 divisors (see below), whose sum is σ = 96070918059. Its totient is φ = 32023281450.

The previous prime is 64046920757. The next prime is 64046920831. The reversal of 64046920802 is 20802964046.

It can be written as a sum of positive squares in only one way, i.e., 32023460401 + 32023460401 = 178951^2 + 178951^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=178951.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64046920802.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 268427 + ... + 447377.

Almost surely, 2^64046920802 is an apocalyptic number.

64046920802 is a deficient number, since it is larger than the sum of its proper divisors (32023997257).

64046920802 is an frugal number, since it uses more digits than its factorization.

64046920802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357904 (or 178953 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 64046920802 in words is "sixty-four billion, forty-six million, nine hundred twenty thousand, eight hundred two".