64122744010 has 16 divisors (see below), whose sum is σ = 124299473256. Its totient is φ = 23676090048.

The previous prime is 64122743933. The next prime is 64122744019. The reversal of 64122744010 is 1044722146.

It can be written as a sum of positive squares in 4 ways, for example, as 45087850921 + 19034893089 = 212339^2 + 137967^2 .

It is a super-2 number, since 2×64122744010² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64122744019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246625809 + ... + 246626068.

Almost surely, 2^64122744010 is an apocalyptic number.

64122744010 is a deficient number, since it is larger than the sum of its proper divisors (60176729246).

64122744010 is a wasteful number, since it uses less digits than its factorization.

64122744010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493251897.

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 64122744010 in words is "sixty-four billion, one hundred twenty-two million, seven hundred forty-four thousand, ten".