64476382084 has 9 divisors (see below), whose sum is σ = 112834557381. Its totient is φ = 32237937120.

The previous prime is 64476382073. The next prime is 64476382093. The reversal of 64476382084 is 48028367446.

It is a happy number.

The square root of 64476382084 is 253922.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 64020132484 + 456249600 = 253022^2 + 21360^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 444364 + ... + 571324.

Almost surely, 2^64476382084 is an apocalyptic number.

64476382084 is the 253922-nd square number.

It is an amenable number.

64476382084 is a deficient number, since it is larger than the sum of its proper divisors (48358175297).

64476382084 is an frugal number, since it uses more digits than its factorization.

64476382084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253926 (or 126963 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 52.

The spelling of 64476382084 in words is "sixty-four billion, four hundred seventy-six million, three hundred eighty-two thousand, eighty-four".