64062684243 has 16 divisors (see below), whose sum is σ = 94913510400. Its totient is φ = 42705832680.

The previous prime is 64062684239. The next prime is 64062684251. The reversal of 64062684243 is 34248626046.

It is not a de Polignac number, because 64062684243 - 2² = 64062684239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64062686243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440578 + ... + 567656.

It is an arithmetic number, because the mean of its divisors is an integer number (5932094400).

Almost surely, 2^64062684243 is an apocalyptic number.

64062684243 is a deficient number, since it is larger than the sum of its proper divisors (30850826157).

64062684243 is a wasteful number, since it uses less digits than its factorization.

64062684243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145759 (or 145753 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 64062684243 in words is "sixty-four billion, sixty-two million, six hundred eighty-four thousand, two hundred forty-three".