573921126987 has 16 divisors (see below), whose sum is σ = 824688687648. Its totient is φ = 352926455040.

The previous prime is 573921126973. The next prime is 573921126991. The reversal of 573921126987 is 789621129375.

It is a happy number.

It is not a de Polignac number, because 573921126987 - 2¹⁸ = 573920864843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 573921126987.

It is not an unprimeable number, because it can be changed into a prime (573921126937) 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, 5274138 + ... + 5381855.

It is an arithmetic number, because the mean of its divisors is an integer number (51543042978).

Almost surely, 2^573921126987 is an apocalyptic number.

573921126987 is a deficient number, since it is larger than the sum of its proper divisors (250767560661).

573921126987 is a wasteful number, since it uses less digits than its factorization.

573921126987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10657390.

The product of its digits is 11430720, while the sum is 60.

The spelling of 573921126987 in words is "five hundred seventy-three billion, nine hundred twenty-one million, one hundred twenty-six thousand, nine hundred eighty-seven".