537894721098 has 48 divisors (see below), whose sum is σ = 1360268732160. Its totient is φ = 150414327648.

The previous prime is 537894721087. The next prime is 537894721121. The reversal of 537894721098 is 890127498735.

537894721098 is a `hidden beast` number, since 5 + 3 + 78 + 9 + 472 + 1 + 0 + 98 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45409033 + ... + 45420876.

It is an arithmetic number, because the mean of its divisors is an integer number (28338931920).

Almost surely, 2^537894721098 is an apocalyptic number.

537894721098 is an abundant number, since it is smaller than the sum of its proper divisors (822374011062).

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

537894721098 is a wasteful number, since it uses less digits than its factorization.

537894721098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90829971 (or 90829968 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

It can be divided in two parts, 5378947 and 21098, that added together give a palindrome (5400045).

The spelling of 537894721098 in words is "five hundred thirty-seven billion, eight hundred ninety-four million, seven hundred twenty-one thousand, ninety-eight".