64412033334442 has 16 divisors (see below), whose sum is σ = 100821900718080. Its totient is φ = 30804818259952.

The previous prime is 64412033334437. The next prime is 64412033334503. The reversal of 64412033334442 is 24443333021446.

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, 19760938 + ... + 22788565.

It is an arithmetic number, because the mean of its divisors is an integer number (6301368794880).

Almost surely, 2^{64412033334442} is an apocalyptic number.

64412033334442 is a deficient number, since it is larger than the sum of its proper divisors (36409867383638).

64412033334442 is a wasteful number, since it uses less digits than its factorization.

64412033334442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42582437.

The product of its (nonzero) digits is 1990656, while the sum is 43.

Adding to 64412033334442 its reverse (24443333021446), we get a palindrome (88855366355888).

The spelling of 64412033334442 in words is "sixty-four trillion, four hundred twelve billion, thirty-three million, three hundred thirty-four thousand, four hundred forty-two".