64119893 has 2 divisors, whose sum is σ = 64119894. Its totient is φ = 64119892.

The previous prime is 64119787. The next prime is 64119917. The reversal of 64119893 is 39891146.

64119893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50154724 + 13965169 = 7082^2 + 3737^2 .

It is a cyclic number.

It is not a de Polignac number, because 64119893 - 2¹² = 64115797 is a prime.

It is a super-2 number, since 2×64119893² = 8222721356662898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64119893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64115893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32059946 + 32059947.

It is an arithmetic number, because the mean of its divisors is an integer number (32059947).

Almost surely, 2^64119893 is an apocalyptic number.

It is an amenable number.

64119893 is a deficient number, since it is larger than the sum of its proper divisors (1).

64119893 is an equidigital number, since it uses as much as digits as its factorization.

64119893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 64119893 is about 8007.4898064250. The cubic root of 64119893 is about 400.2496212740.

The spelling of 64119893 in words is "sixty-four million, one hundred nineteen thousand, eight hundred ninety-three".