64473593478712 has 16 divisors (see below), whose sum is σ = 131877804843000. Its totient is φ = 29306178853920.

The previous prime is 64473593478683. The next prime is 64473593478769. The reversal of 64473593478712 is 21787439537446.

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, 366327235587 + ... + 366327235762.

Almost surely, 2^{64473593478712} is an apocalyptic number.

It is an amenable number.

64473593478712 is an abundant number, since it is smaller than the sum of its proper divisors (67404211364288).

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

64473593478712 is a wasteful number, since it uses less digits than its factorization.

64473593478712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732654471366 (or 732654471362 counting only the distinct ones).

The product of its digits is 853493760, while the sum is 70.

The spelling of 64473593478712 in words is "sixty-four trillion, four hundred seventy-three billion, five hundred ninety-three million, four hundred seventy-eight thousand, seven hundred twelve".