537453862728 has 32 divisors (see below), whose sum is σ = 1353301101600. Its totient is φ = 177862428288.

The previous prime is 537453862723. The next prime is 537453862753. The reversal of 537453862728 is 827268354735.

It is a super-2 number, since 2×537453862728² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (537453862723) 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, 80550301 + ... + 80556972.

It is an arithmetic number, because the mean of its divisors is an integer number (42290659425).

Almost surely, 2^537453862728 is an apocalyptic number.

It is an amenable number.

537453862728 is an abundant number, since it is smaller than the sum of its proper divisors (815847238872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

537453862728 is a wasteful number, since it uses less digits than its factorization.

537453862728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161107421 (or 161107417 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 60.

The spelling of 537453862728 in words is "five hundred thirty-seven billion, four hundred fifty-three million, eight hundred sixty-two thousand, seven hundred twenty-eight".