537944221204 has 12 divisors (see below), whose sum is σ = 1013817955444. Its totient is φ = 248281948224.

The previous prime is 537944221153. The next prime is 537944221219. The reversal of 537944221204 is 402122449735.

It can be written as a sum of positive squares in 2 ways, for example, as 75788988804 + 462155232400 = 275298^2 + 679820^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5172540537 + ... + 5172540640.

Almost surely, 2^537944221204 is an apocalyptic number.

It is an amenable number.

537944221204 is a deficient number, since it is larger than the sum of its proper divisors (475873734240).

537944221204 is a wasteful number, since it uses less digits than its factorization.

537944221204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10345081194 (or 10345081192 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 537944221204 in words is "five hundred thirty-seven billion, nine hundred forty-four million, two hundred twenty-one thousand, two hundred four".