64536343401 has 8 divisors (see below), whose sum is σ = 86099111200. Its totient is φ = 42998902272.

The previous prime is 64536343387. The next prime is 64536343441. The reversal of 64536343401 is 10434363546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64536343401 - 2¹³ = 64536335209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64536343401.

It is not an unprimeable number, because it can be changed into a prime (64536343441) 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 7 ways as a sum of consecutive naturals, for example, 6325720 + ... + 6335913.

It is an arithmetic number, because the mean of its divisors is an integer number (10762388900).

Almost surely, 2^64536343401 is an apocalyptic number.

It is an amenable number.

64536343401 is a deficient number, since it is larger than the sum of its proper divisors (21562767799).

64536343401 is a wasteful number, since it uses less digits than its factorization.

64536343401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12663335.

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 64536343401 in words is "sixty-four billion, five hundred thirty-six million, three hundred forty-three thousand, four hundred one".