64085352961 has 16 divisors (see below), whose sum is σ = 73901072128. Its totient is φ = 54436536000.

The previous prime is 64085352937. The next prime is 64085352967. The reversal of 64085352961 is 16925358046.

It is not a de Polignac number, because 64085352961 - 2¹³ = 64085344769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64085352967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372991 + ... + 517003.

It is an arithmetic number, because the mean of its divisors is an integer number (4618817008).

Almost surely, 2^64085352961 is an apocalyptic number.

It is an amenable number.

64085352961 is a deficient number, since it is larger than the sum of its proper divisors (9815719167).

64085352961 is a wasteful number, since it uses less digits than its factorization.

64085352961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144592.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 64085352961 in words is "sixty-four billion, eighty-five million, three hundred fifty-two thousand, nine hundred sixty-one".