64313438554 has 8 divisors (see below), whose sum is σ = 99077459508. Its totient is φ = 31287618720.

The previous prime is 64313438537. The next prime is 64313438597. The reversal of 64313438554 is 45583431346.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 58480297929 + 5833140625 = 241827^2 + 76375^2 .

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

It is a super-2 number, since 2×64313438554² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 434550187 + ... + 434550334.

Almost surely, 2^64313438554 is an apocalyptic number.

64313438554 is a deficient number, since it is larger than the sum of its proper divisors (34764020954).

64313438554 is a wasteful number, since it uses less digits than its factorization.

64313438554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869100560.

The product of its digits is 2073600, while the sum is 46.

The spelling of 64313438554 in words is "sixty-four billion, three hundred thirteen million, four hundred thirty-eight thousand, five hundred fifty-four".