534487665138 has 16 divisors (see below), whose sum is σ = 1221686091840. Its totient is φ = 152710761456.

The previous prime is 534487665137. The next prime is 534487665163. The reversal of 534487665138 is 831566784435.

It is not an unprimeable number, because it can be changed into a prime (534487665137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6362948353 + ... + 6362948436.

It is an arithmetic number, because the mean of its divisors is an integer number (76355380740).

Almost surely, 2^534487665138 is an apocalyptic number.

534487665138 is an abundant number, since it is smaller than the sum of its proper divisors (687198426702).

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

534487665138 is a wasteful number, since it uses less digits than its factorization.

534487665138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12725896801.

The product of its digits is 58060800, while the sum is 60.

The spelling of 534487665138 in words is "five hundred thirty-four billion, four hundred eighty-seven million, six hundred sixty-five thousand, one hundred thirty-eight".