64580709742 has 16 divisors (see below), whose sum is σ = 99599984064. Its totient is φ = 31386528000.

The previous prime is 64580709679. The next prime is 64580709751. The reversal of 64580709742 is 24790708546.

It is a self number, because there is not a number n which added to its sum of digits gives 64580709742.

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, 1430859 + ... + 1475302.

It is an arithmetic number, because the mean of its divisors is an integer number (6224999004).

Almost surely, 2^64580709742 is an apocalyptic number.

64580709742 is a deficient number, since it is larger than the sum of its proper divisors (35019274322).

64580709742 is a wasteful number, since it uses less digits than its factorization.

64580709742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906475.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 64580709742 in words is "sixty-four billion, five hundred eighty million, seven hundred nine thousand, seven hundred forty-two".