537021870338 has 8 divisors (see below), whose sum is σ = 806184007932. Its totient is φ = 268293867696.

The previous prime is 537021870331. The next prime is 537021870349. The reversal of 537021870338 is 833078120735.

It can be written as a sum of positive squares in 2 ways, for example, as 516404643769 + 20617226569 = 718613^2 + 143587^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 537021870292 and 537021870301.

It is not an unprimeable number, because it can be changed into a prime (537021870331) 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, 108530645 + ... + 108535592.

Almost surely, 2^537021870338 is an apocalyptic number.

537021870338 is a deficient number, since it is larger than the sum of its proper divisors (269162137594).

537021870338 is a wasteful number, since it uses less digits than its factorization.

537021870338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217067476.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 537021870338 in words is "five hundred thirty-seven billion, twenty-one million, eight hundred seventy thousand, three hundred thirty-eight".