537790517521 has 16 divisors (see below), whose sum is σ = 546158946240. Its totient is φ = 529487400960.

The previous prime is 537790517461. The next prime is 537790517533. The reversal of 537790517521 is 125715097735.

It is a cyclic number.

It is not a de Polignac number, because 537790517521 - 2¹⁷ = 537790386449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537790512521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38624641 + ... + 38638561.

It is an arithmetic number, because the mean of its divisors is an integer number (34134934140).

Almost surely, 2^537790517521 is an apocalyptic number.

It is an amenable number.

537790517521 is a deficient number, since it is larger than the sum of its proper divisors (8368428719).

537790517521 is a wasteful number, since it uses less digits than its factorization.

537790517521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16224.

The product of its (nonzero) digits is 2315250, while the sum is 52.

The spelling of 537790517521 in words is "five hundred thirty-seven billion, seven hundred ninety million, five hundred seventeen thousand, five hundred twenty-one".