64385195270 has 32 divisors (see below), whose sum is σ = 126444875040. Its totient is φ = 23409879040.

The previous prime is 64385195269. The next prime is 64385195317. The reversal of 64385195270 is 7259158346.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 977126 + ... + 1040934.

It is an arithmetic number, because the mean of its divisors is an integer number (3951402345).

It is a 1-persistent number, because it is pandigital, but 2⋅64385195270 = 128770390540 is not.

Almost surely, 2^64385195270 is an apocalyptic number.

64385195270 is a deficient number, since it is larger than the sum of its proper divisors (62059679770).

64385195270 is a wasteful number, since it uses less digits than its factorization.

64385195270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73000.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 64385195270 in words is "sixty-four billion, three hundred eighty-five million, one hundred ninety-five thousand, two hundred seventy".