64467266549 has 12 divisors (see below), whose sum is σ = 75023073504. Its totient is φ = 55235154744.

The previous prime is 64467266537. The next prime is 64467266561. The reversal of 64467266549 is 94566276446.

It is an interprime number because it is at equal distance from previous prime (64467266537) and next prime (64467266561).

It is a de Polignac number, because none of the positive numbers 2^k-64467266549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64467266509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145769 + ... + 387534.

It is an arithmetic number, because the mean of its divisors is an integer number (6251922792).

Almost surely, 2^64467266549 is an apocalyptic number.

It is an amenable number.

64467266549 is a deficient number, since it is larger than the sum of its proper divisors (10555806955).

64467266549 is a wasteful number, since it uses less digits than its factorization.

64467266549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535784 (or 535777 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 59.

The spelling of 64467266549 in words is "sixty-four billion, four hundred sixty-seven million, two hundred sixty-six thousand, five hundred forty-nine".