538949613880 has 16 divisors (see below), whose sum is σ = 1212636631320. Its totient is φ = 215579845536.

The previous prime is 538949613833. The next prime is 538949613889. The reversal of 538949613880 is 88316949835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538949613889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6736870134 + ... + 6736870213.

Almost surely, 2^538949613880 is an apocalyptic number.

It is an amenable number.

538949613880 is an abundant number, since it is smaller than the sum of its proper divisors (673687017440).

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

538949613880 is a wasteful number, since it uses less digits than its factorization.

538949613880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13473740358 (or 13473740354 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 64.

The spelling of 538949613880 in words is "five hundred thirty-eight billion, nine hundred forty-nine million, six hundred thirteen thousand, eight hundred eighty".