489951264064 has 56 divisors (see below), whose sum is σ = 1033444227240. Its totient is φ = 229668028416.

The previous prime is 489951264031. The next prime is 489951264167. The reversal of 489951264064 is 460462159984.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 134401425664 + 355549838400 = 366608^2 + 596280^2 .

It is a super-2 number, since 2×489951264064² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596499 + ... + 1155730.

Almost surely, 2^489951264064 is an apocalyptic number.

It is an amenable number.

489951264064 is an abundant number, since it is smaller than the sum of its proper divisors (543492963176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489951264064 is a wasteful number, since it uses less digits than its factorization.

489951264064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752515 (or 1752505 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 489951264064 in words is "four hundred eighty-nine billion, nine hundred fifty-one million, two hundred sixty-four thousand, sixty-four".