1964647086293 has 8 divisors (see below), whose sum is σ = 1965246992640. Its totient is φ = 1964047281840.

The previous prime is 1964647086251. The next prime is 1964647086299. The reversal of 1964647086293 is 3926807464691.

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 1964647086293 - 2³⁴ = 1947467217109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964647086299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55049771 + ... + 55085447.

It is an arithmetic number, because the mean of its divisors is an integer number (245655874080).

Almost surely, 2^{1964647086293} is an apocalyptic number.

It is an amenable number.

1964647086293 is a deficient number, since it is larger than the sum of its proper divisors (599906347).

1964647086293 is an equidigital number, since it uses as much as digits as its factorization.

1964647086293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50947.

The product of its (nonzero) digits is 94058496, while the sum is 65.

The spelling of 1964647086293 in words is "one trillion, nine hundred sixty-four billion, six hundred forty-seven million, eighty-six thousand, two hundred ninety-three".