64542224546 has 8 divisors (see below), whose sum is σ = 97320213504. Its totient is φ = 32102153380.

The previous prime is 64542224543. The next prime is 64542224557.

64542224546 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×64542224546² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64542224497 and 64542224506.

It is not an unprimeable number, because it can be changed into a prime (64542224543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84478970 + ... + 84479733.

It is an arithmetic number, because the mean of its divisors is an integer number (12165026688).

Almost surely, 2^64542224546 is an apocalyptic number.

64542224546 is a deficient number, since it is larger than the sum of its proper divisors (32777988958).

64542224546 is a wasteful number, since it uses less digits than its factorization.

64542224546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168958896.

The product of its digits is 1843200, while the sum is 44.

The spelling of 64542224546 in words is "sixty-four billion, five hundred forty-two million, two hundred twenty-four thousand, five hundred forty-six".