64522353452 has 24 divisors (see below), whose sum is σ = 119564383680. Its totient is φ = 30361363200.

The previous prime is 64522353361. The next prime is 64522353461. The reversal of 64522353452 is 25435322546.

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, 1446077 + ... + 1490027.

It is an arithmetic number, because the mean of its divisors is an integer number (4981849320).

Almost surely, 2^64522353452 is an apocalyptic number.

It is an amenable number.

64522353452 is a deficient number, since it is larger than the sum of its proper divisors (55042030228).

64522353452 is a wasteful number, since it uses less digits than its factorization.

64522353452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65561 (or 65559 counting only the distinct ones).

The product of its digits is 864000, while the sum is 41.

Adding to 64522353452 its reverse (25435322546), we get a palindrome (89957675998).

The spelling of 64522353452 in words is "sixty-four billion, five hundred twenty-two million, three hundred fifty-three thousand, four hundred fifty-two".