64184648852742 has 32 divisors (see below), whose sum is σ = 140039729570304. Its totient is φ = 19449824743200.

The previous prime is 64184648852671. The next prime is 64184648852759. The reversal of 64184648852742 is 24725884648146.

It is a super-3 number, since 3×64184648852742³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18927768 + ... + 22059684.

It is an arithmetic number, because the mean of its divisors is an integer number (4376241549072).

Almost surely, 2^{64184648852742} is an apocalyptic number.

64184648852742 is an abundant number, since it is smaller than the sum of its proper divisors (75855080717562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64184648852742 is a wasteful number, since it uses less digits than its factorization.

64184648852742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442444.

The product of its digits is 660602880, while the sum is 69.

The spelling of 64184648852742 in words is "sixty-four trillion, one hundred eighty-four billion, six hundred forty-eight million, eight hundred fifty-two thousand, seven hundred forty-two".