64473170992043 has 8 divisors (see below), whose sum is σ = 70334436682800. Its totient is φ = 58611916689280.

The previous prime is 64473170992039. The next prime is 64473170992049. The reversal of 64473170992043 is 34029907137446.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 64473170992043 - 2² = 64473170992039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64473170992049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12665783 + ... + 17010831.

It is an arithmetic number, because the mean of its divisors is an integer number (8791804585350).

Almost surely, 2^{64473170992043} is an apocalyptic number.

64473170992043 is a deficient number, since it is larger than the sum of its proper divisors (5861265690757).

64473170992043 is a wasteful number, since it uses less digits than its factorization.

64473170992043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5693997.

The product of its (nonzero) digits is 27433728, while the sum is 59.

The spelling of 64473170992043 in words is "sixty-four trillion, four hundred seventy-three billion, one hundred seventy million, nine hundred ninety-two thousand, forty-three".