64448453767 has 2 divisors, whose sum is σ = 64448453768. Its totient is φ = 64448453766.

The previous prime is 64448453603. The next prime is 64448453809. The reversal of 64448453767 is 76735484446.

64448453767 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 is a cyclic number.

It is not a de Polignac number, because 64448453767 - 2¹⁵ = 64448420999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64448453567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32224226883 + 32224226884.

It is an arithmetic number, because the mean of its divisors is an integer number (32224226884).

Almost surely, 2^64448453767 is an apocalyptic number.

64448453767 is a deficient number, since it is larger than the sum of its proper divisors (1).

64448453767 is an equidigital number, since it uses as much as digits as its factorization.

64448453767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54190080, while the sum is 58.

The spelling of 64448453767 in words is "sixty-four billion, four hundred forty-eight million, four hundred fifty-three thousand, seven hundred sixty-seven".