64545364541 has 8 divisors (see below), whose sum is σ = 73789058304. Its totient is φ = 55307402640.

The previous prime is 64545364529. The next prime is 64545364547. The reversal of 64545364541 is 14546354546.

64545364541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 64545364541 - 2¹⁴ = 64545348157 is a prime.

It is a super-2 number, since 2×64545364541² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64545364547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1408805 + ... + 1453898.

It is an arithmetic number, because the mean of its divisors is an integer number (9223632288).

Almost surely, 2^64545364541 is an apocalyptic number.

It is an amenable number.

64545364541 is a deficient number, since it is larger than the sum of its proper divisors (9243693763).

64545364541 is a wasteful number, since it uses less digits than its factorization.

64545364541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865931.

The product of its digits is 3456000, while the sum is 47.

The spelling of 64545364541 in words is "sixty-four billion, five hundred forty-five million, three hundred sixty-four thousand, five hundred forty-one".