64473079609320 has 64 divisors (see below), whose sum is σ = 194487853472640. Its totient is φ = 17097833260800.

The previous prime is 64473079609319. The next prime is 64473079609331. The reversal of 64473079609320 is 2390697037446.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1484165196 + ... + 1484208635.

It is an arithmetic number, because the mean of its divisors is an integer number (3038872710510).

Almost surely, 2^{64473079609320} is an apocalyptic number.

64473079609320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64473079609320 is an abundant number, since it is smaller than the sum of its proper divisors (130014773863320).

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

64473079609320 is a wasteful number, since it uses less digits than its factorization.

64473079609320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968374026 (or 2968374022 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 60.

The spelling of 64473079609320 in words is "sixty-four trillion, four hundred seventy-three billion, seventy-nine million, six hundred nine thousand, three hundred twenty".