537666434423 has 16 divisors (see below), whose sum is σ = 578783892960. Its totient is φ = 497607936000.

The previous prime is 537666434413. The next prime is 537666434443. The reversal of 537666434423 is 324434666735.

It is a cyclic number.

It is not a de Polignac number, because 537666434423 - 2⁶ = 537666434359 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 (537666434413) 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, 3850223 + ... + 3987423.

It is an arithmetic number, because the mean of its divisors is an integer number (36173993310).

Almost surely, 2^537666434423 is an apocalyptic number.

537666434423 is a deficient number, since it is larger than the sum of its proper divisors (41117458537).

537666434423 is a wasteful number, since it uses less digits than its factorization.

537666434423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141058.

The product of its digits is 26127360, while the sum is 53.

The spelling of 537666434423 in words is "five hundred thirty-seven billion, six hundred sixty-six million, four hundred thirty-four thousand, four hundred twenty-three".