64496441 has 2 divisors, whose sum is σ = 64496442. Its totient is φ = 64496440.

The previous prime is 64496413. The next prime is 64496489. The reversal of 64496441 is 14469446.

64496441 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., 64336441 + 160000 = 8021^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 64496441 - 2¹⁸ = 64234297 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64496395 and 64496404.

It is not a weakly prime, because it can be changed into another prime (64496401) 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, 32248220 + 32248221.

It is an arithmetic number, because the mean of its divisors is an integer number (32248221).

Almost surely, 2^64496441 is an apocalyptic number.

It is an amenable number.

64496441 is a deficient number, since it is larger than the sum of its proper divisors (1).

64496441 is an equidigital number, since it uses as much as digits as its factorization.

64496441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 38.

The square root of 64496441 is about 8030.9676253861. The cubic root of 64496441 is about 401.0315893548.

Subtracting from 64496441 its sum of digits (38), we obtain a triangular number (64496403 = T₁₁₃₅₇).

The spelling of 64496441 in words is "sixty-four million, four hundred ninety-six thousand, four hundred forty-one".