64506605001 has 16 divisors (see below), whose sum is σ = 86432801280. Its totient is φ = 42792577920.

The previous prime is 64506604999. The next prime is 64506605003. The reversal of 64506605001 is 10050660546.

64506605001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64506604999) and next prime (64506605003).

It is not a de Polignac number, because 64506605001 - 2¹ = 64506604999 is a prime.

It is a super-2 number, since 2×64506605001² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64506605003) 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, 1578061 + ... + 1618421.

It is an arithmetic number, because the mean of its divisors is an integer number (5402050080).

Almost surely, 2^64506605001 is an apocalyptic number.

It is an amenable number.

64506605001 is a deficient number, since it is larger than the sum of its proper divisors (21926196279).

64506605001 is a wasteful number, since it uses less digits than its factorization.

64506605001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42976.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 64506605001 in words is "sixty-four billion, five hundred six million, six hundred five thousand, one".