537658395380 has 24 divisors (see below), whose sum is σ = 1129912285320. Its totient is φ = 214905328640.

The previous prime is 537658395311. The next prime is 537658395389. The reversal of 537658395380 is 83593856735.

It can be written as a sum of positive squares in 4 ways, for example, as 27002376976 + 510656018404 = 164324^2 + 714602^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537658395389) 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, 9848945 + ... + 9903384.

It is an arithmetic number, because the mean of its divisors is an integer number (47079678555).

Almost surely, 2^537658395380 is an apocalyptic number.

It is an amenable number.

537658395380 is an abundant number, since it is smaller than the sum of its proper divisors (592253889940).

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

537658395380 is a wasteful number, since it uses less digits than its factorization.

537658395380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19753699 (or 19753697 counting only the distinct ones).

The product of its (nonzero) digits is 81648000, while the sum is 62.

The spelling of 537658395380 in words is "five hundred thirty-seven billion, six hundred fifty-eight million, three hundred ninety-five thousand, three hundred eighty".