64979132041443 has 16 divisors (see below), whose sum is σ = 89646498686880. Its totient is φ = 41816263700736.

The previous prime is 64979132041279. The next prime is 64979132041511. The reversal of 64979132041443 is 34414023197946.

It is not a de Polignac number, because 64979132041443 - 2¹³ = 64979132033251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64979132042443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83400280 + ... + 84175797.

It is an arithmetic number, because the mean of its divisors is an integer number (5602906167930).

Almost surely, 2^{64979132041443} is an apocalyptic number.

64979132041443 is a deficient number, since it is larger than the sum of its proper divisors (24667366645437).

64979132041443 is a wasteful number, since it uses less digits than its factorization.

64979132041443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167580566.

The product of its (nonzero) digits is 15676416, while the sum is 57.

The spelling of 64979132041443 in words is "sixty-four trillion, nine hundred seventy-nine billion, one hundred thirty-two million, forty-one thousand, four hundred forty-three".