64426411522 has 12 divisors (see below), whose sum is σ = 106223711958. Its totient is φ = 29284732400.

The previous prime is 64426411507. The next prime is 64426411529. The reversal of 64426411522 is 22511462446.

It can be written as a sum of positive squares in only one way, i.e., 39164805801 + 25261605721 = 197901^2 + 158939^2 .

It is not an unprimeable number, because it can be changed into a prime (64426411529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133112179 + ... + 133112662.

Almost surely, 2^64426411522 is an apocalyptic number.

64426411522 is a deficient number, since it is larger than the sum of its proper divisors (41797300436).

64426411522 is a wasteful number, since it uses less digits than its factorization.

64426411522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266224865 (or 266224854 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

Adding to 64426411522 its reverse (22511462446), we get a palindrome (86937873968).

The spelling of 64426411522 in words is "sixty-four billion, four hundred twenty-six million, four hundred eleven thousand, five hundred twenty-two".