64334342344 has 8 divisors (see below), whose sum is σ = 120626891910. Its totient is φ = 32167171168.

The previous prime is 64334342321. The next prime is 64334342363. The reversal of 64334342344 is 44324343346.

It can be written as a sum of positive squares in only one way, i.e., 46423873444 + 17910468900 = 215462^2 + 133830^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 64334342297 and 64334342306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4020896389 + ... + 4020896404.

Almost surely, 2^64334342344 is an apocalyptic number.

It is an amenable number.

64334342344 is a deficient number, since it is larger than the sum of its proper divisors (56292549566).

64334342344 is a wasteful number, since it uses less digits than its factorization.

64334342344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8041792799 (or 8041792795 counting only the distinct ones).

The product of its digits is 995328, while the sum is 40.

The spelling of 64334342344 in words is "sixty-four billion, three hundred thirty-four million, three hundred forty-two thousand, three hundred forty-four".