537039168389 has 8 divisors (see below), whose sum is σ = 574259706648. Its totient is φ = 500444185600.

The previous prime is 537039168359. The next prime is 537039168431. The reversal of 537039168389 is 983861930735.

It can be written as a sum of positive squares in 4 ways, for example, as 216843892225 + 320195276164 = 465665^2 + 565858^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-537039168389 is a prime.

It is a super-2 number, since 2×537039168389² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537039168349) 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, 156387092 + ... + 156390525.

It is an arithmetic number, because the mean of its divisors is an integer number (71782463331).

Almost surely, 2^537039168389 is an apocalyptic number.

It is an amenable number.

537039168389 is a deficient number, since it is larger than the sum of its proper divisors (37220538259).

537039168389 is a wasteful number, since it uses less digits than its factorization.

537039168389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312777735.

The product of its (nonzero) digits is 29393280, while the sum is 62.

The spelling of 537039168389 in words is "five hundred thirty-seven billion, thirty-nine million, one hundred sixty-eight thousand, three hundred eighty-nine".