64546741452 has 24 divisors (see below), whose sum is σ = 151195098096. Its totient is φ = 21431861248.

The previous prime is 64546741429. The next prime is 64546741463. The reversal of 64546741452 is 25414764546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10461693 + ... + 10467860.

It is an arithmetic number, because the mean of its divisors is an integer number (6299795754).

Almost surely, 2^64546741452 is an apocalyptic number.

It is an amenable number.

64546741452 is an abundant number, since it is smaller than the sum of its proper divisors (86648356644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64546741452 is a wasteful number, since it uses less digits than its factorization.

64546741452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20929817 (or 20929815 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 48.

The spelling of 64546741452 in words is "sixty-four billion, five hundred forty-six million, seven hundred forty-one thousand, four hundred fifty-two".