537216631028813 has 16 divisors (see below), whose sum is σ = 547764061965120. Its totient is φ = 526718344358400.

The previous prime is 537216631028809. The next prime is 537216631028893. The reversal of 537216631028813 is 318820136612735.

It is a cyclic number.

It is not a de Polignac number, because 537216631028813 - 2² = 537216631028809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537216631028893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53326781 + ... + 62595357.

It is an arithmetic number, because the mean of its divisors is an integer number (34235253872820).

Almost surely, 2^{537216631028813} is an apocalyptic number.

It is an amenable number.

537216631028813 is a deficient number, since it is larger than the sum of its proper divisors (10547430936307).

537216631028813 is a wasteful number, since it uses less digits than its factorization.

537216631028813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9271228.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 537216631028813 in words is "five hundred thirty-seven trillion, two hundred sixteen billion, six hundred thirty-one million, twenty-eight thousand, eight hundred thirteen".