537386704311818 has 16 divisors (see below), whose sum is σ = 820019920610304. Its totient is φ = 264086276489280.

The previous prime is 537386704311817. The next prime is 537386704311841. The reversal of 537386704311818 is 818113407683735.

It is a happy number.

It is a super-2 number, since 2×537386704311818² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (537386704311811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9886401263 + ... + 9886455618.

It is an arithmetic number, because the mean of its divisors is an integer number (51251245038144).

Almost surely, 2^{537386704311818} is an apocalyptic number.

537386704311818 is a deficient number, since it is larger than the sum of its proper divisors (282633216298486).

537386704311818 is a wasteful number, since it uses less digits than its factorization.

537386704311818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19772857117.

The product of its (nonzero) digits is 81285120, while the sum is 65.

The spelling of 537386704311818 in words is "five hundred thirty-seven trillion, three hundred eighty-six billion, seven hundred four million, three hundred eleven thousand, eight hundred eighteen".