64941738879379 has 2 divisors, whose sum is σ = 64941738879380. Its totient is φ = 64941738879378.

The previous prime is 64941738879359. The next prime is 64941738879419. The reversal of 64941738879379 is 97397883714946.

64941738879379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64941738879379 - 2⁹ = 64941738878867 is a prime.

It is a super-2 number, since 2×64941738879379² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64941738879296 and 64941738879305.

It is not a weakly prime, because it can be changed into another prime (64941738879349) 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 as a sum of consecutive naturals, namely, 32470869439689 + 32470869439690.

It is an arithmetic number, because the mean of its divisors is an integer number (32470869439690).

Almost surely, 2^{64941738879379} is an apocalyptic number.

64941738879379 is a deficient number, since it is larger than the sum of its proper divisors (1).

64941738879379 is an equidigital number, since it uses as much as digits as its factorization.

64941738879379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13826598912, while the sum is 85.

The spelling of 64941738879379 in words is "sixty-four trillion, nine hundred forty-one billion, seven hundred thirty-eight million, eight hundred seventy-nine thousand, three hundred seventy-nine".