64500645045 has 16 divisors (see below), whose sum is σ = 103205215872. Its totient is φ = 34398949440.

The previous prime is 64500645037. The next prime is 64500645073. The reversal of 64500645045 is 54054600546.

64500645045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64500645045 - 2³ = 64500645037 is a prime.

It is a super-2 number, since 2×64500645045² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64500644994 and 64500645012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373824 + ... + 518406.

It is an arithmetic number, because the mean of its divisors is an integer number (6450325992).

Almost surely, 2^64500645045 is an apocalyptic number.

It is an amenable number.

64500645045 is a deficient number, since it is larger than the sum of its proper divisors (38704570827).

64500645045 is a wasteful number, since it uses less digits than its factorization.

64500645045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174332.

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 64500645045 in words is "sixty-four billion, five hundred million, six hundred forty-five thousand, forty-five".