537437722322 has 18 divisors (see below), whose sum is σ = 856395113103. Its totient is φ = 252903575232.

The previous prime is 537437722319. The next prime is 537437722397. The reversal of 537437722322 is 223227734735.

It can be written as a sum of positive squares in 5 ways, for example, as 145472825281 + 391964897041 = 381409^2 + 626071^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=518381.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17609708 + ... + 17640200.

Almost surely, 2^537437722322 is an apocalyptic number.

537437722322 is a deficient number, since it is larger than the sum of its proper divisors (318957390781).

537437722322 is an frugal number, since it uses more digits than its factorization.

537437722322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61022 (or 30512 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 47.

The spelling of 537437722322 in words is "five hundred thirty-seven billion, four hundred thirty-seven million, seven hundred twenty-two thousand, three hundred twenty-two".