64524242546 has 8 divisors (see below), whose sum is σ = 96787504044. Its totient is φ = 32261741200.

The previous prime is 64524242537. The next prime is 64524242551.

64524242546 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 63775946521 + 748296025 = 252539^2 + 27355^2 .

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

It is a super-2 number, since 2×64524242546² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64524242497 and 64524242506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129896 + ... + 381996.

Almost surely, 2^64524242546 is an apocalyptic number.

64524242546 is a deficient number, since it is larger than the sum of its proper divisors (32263261498).

64524242546 is a wasteful number, since it uses less digits than its factorization.

64524242546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380076.

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

The spelling of 64524242546 in words is "sixty-four billion, five hundred twenty-four million, two hundred forty-two thousand, five hundred forty-six".