64445334246302 has 16 divisors (see below), whose sum is σ = 96811255197600. Its totient is φ = 32174922336480.

The previous prime is 64445334246277. The next prime is 64445334246353. The reversal of 64445334246302 is 20364243354446.

It is a super-2 number, since 2×64445334246302² (a number of 28 digits) contains 22 as substring.

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, 18337724 + ... + 21567632.

It is an arithmetic number, because the mean of its divisors is an integer number (6050703449850).

Almost surely, 2^{64445334246302} is an apocalyptic number.

64445334246302 is a deficient number, since it is larger than the sum of its proper divisors (32365920951298).

64445334246302 is a wasteful number, since it uses less digits than its factorization.

64445334246302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244691.

The product of its (nonzero) digits is 19906560, while the sum is 50.

The spelling of 64445334246302 in words is "sixty-four trillion, four hundred forty-five billion, three hundred thirty-four million, two hundred forty-six thousand, three hundred two".