64054471535 has 8 divisors (see below), whose sum is σ = 77195261520. Its totient is φ = 51023646784.

The previous prime is 64054471477. The next prime is 64054471561. The reversal of 64054471535 is 53517445046.

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

It is a cyclic number.

It is not a de Polignac number, because 64054471535 - 2³² = 59759504239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27490025 + ... + 27492354.

It is an arithmetic number, because the mean of its divisors is an integer number (9649407690).

Almost surely, 2^64054471535 is an apocalyptic number.

64054471535 is a deficient number, since it is larger than the sum of its proper divisors (13140789985).

64054471535 is a wasteful number, since it uses less digits than its factorization.

64054471535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54982617.

The product of its (nonzero) digits is 1008000, while the sum is 44.

The spelling of 64054471535 in words is "sixty-four billion, fifty-four million, four hundred seventy-one thousand, five hundred thirty-five".