64549935113 has 2 divisors, whose sum is σ = 64549935114. Its totient is φ = 64549935112.

The previous prime is 64549935049. The next prime is 64549935217. The reversal of 64549935113 is 31153994546.

64549935113 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 can be written as a sum of positive squares in only one way, i.e., 38868911104 + 25681024009 = 197152^2 + 160253^2 .

It is a cyclic number.

It is not a de Polignac number, because 64549935113 - 2⁶ = 64549935049 is a prime.

It is not a weakly prime, because it can be changed into another prime (64549935613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32274967556 + 32274967557.

It is an arithmetic number, because the mean of its divisors is an integer number (32274967557).

Almost surely, 2^64549935113 is an apocalyptic number.

It is an amenable number.

64549935113 is a deficient number, since it is larger than the sum of its proper divisors (1).

64549935113 is an equidigital number, since it uses as much as digits as its factorization.

64549935113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1749600, while the sum is 50.

The spelling of 64549935113 in words is "sixty-four billion, five hundred forty-nine million, nine hundred thirty-five thousand, one hundred thirteen".