64085446369 has 16 divisors (see below), whose sum is σ = 73406004480. Its totient is φ = 54806365440.

The previous prime is 64085446357. The next prime is 64085446393. The reversal of 64085446369 is 96364458046.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64085446369 is a prime.

It is a super-2 number, since 2×64085446369² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64085446339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14428189 + ... + 14432629.

It is an arithmetic number, because the mean of its divisors is an integer number (4587875280).

Almost surely, 2^64085446369 is an apocalyptic number.

It is an amenable number.

64085446369 is a deficient number, since it is larger than the sum of its proper divisors (9320558111).

64085446369 is a wasteful number, since it uses less digits than its factorization.

64085446369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8640.

The product of its (nonzero) digits is 14929920, while the sum is 55.

The spelling of 64085446369 in words is "sixty-four billion, eighty-five million, four hundred forty-six thousand, three hundred sixty-nine".