64485586305 has 24 divisors (see below), whose sum is σ = 127742876352. Its totient is φ = 29479125024.

The previous prime is 64485586273. The next prime is 64485586331. The reversal of 64485586305 is 50368558446.

64485586305 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 64485586305 - 2⁵ = 64485586273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102357759 + ... + 102358388.

It is an arithmetic number, because the mean of its divisors is an integer number (5322619848).

Almost surely, 2^64485586305 is an apocalyptic number.

It is an amenable number.

64485586305 is a deficient number, since it is larger than the sum of its proper divisors (63257290047).

64485586305 is a wasteful number, since it uses less digits than its factorization.

64485586305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204716165 (or 204716162 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 54.

The spelling of 64485586305 in words is "sixty-four billion, four hundred eighty-five million, five hundred eighty-six thousand, three hundred five".