537638727899 has 16 divisors (see below), whose sum is σ = 661735538688. Its totient is φ = 425367558432.

The previous prime is 537638727893. The next prime is 537638727919. The reversal of 537638727899 is 998727836735.

It is a cyclic number.

It is not a de Polignac number, because 537638727899 - 2⁴ = 537638727883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (537638727893) 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, 2499974 + ... + 2706500.

It is an arithmetic number, because the mean of its divisors is an integer number (41358471168).

Almost surely, 2^537638727899 is an apocalyptic number.

537638727899 is a deficient number, since it is larger than the sum of its proper divisors (124096810789).

537638727899 is a wasteful number, since it uses less digits than its factorization.

537638727899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235154.

The product of its digits is 960180480, while the sum is 74.

The spelling of 537638727899 in words is "five hundred thirty-seven billion, six hundred thirty-eight million, seven hundred twenty-seven thousand, eight hundred ninety-nine".