64523032546 has 16 divisors (see below), whose sum is σ = 110614210560. Its totient is φ = 27651903840.

The previous prime is 64523032531. The next prime is 64523032559.

64523032546 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×64523032546³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64523032499 and 64523032508.

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, 774751 + ... + 853981.

It is an arithmetic number, because the mean of its divisors is an integer number (6913388160).

Almost surely, 2^64523032546 is an apocalyptic number.

64523032546 is a deficient number, since it is larger than the sum of its proper divisors (46091178014).

64523032546 is a wasteful number, since it uses less digits than its factorization.

64523032546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137409.

The product of its (nonzero) digits is 518400, while the sum is 40.

It can be divided in two parts, 645230 and 32546, that added together give a palindrome (677776).

The spelling of 64523032546 in words is "sixty-four billion, five hundred twenty-three million, thirty-two thousand, five hundred forty-six".