535404250452021 has 32 divisors (see below), whose sum is σ = 768982301982720. Its totient is φ = 330385407158400.

The previous prime is 535404250451971. The next prime is 535404250452047. The reversal of 535404250452021 is 120254052404535.

It is not a de Polignac number, because 535404250452021 - 2⁷ = 535404250451893 is a prime.

It is a super-2 number, since 2×535404250452021² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535404250456021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31652560 + ... + 45526838.

It is an arithmetic number, because the mean of its divisors is an integer number (24030696936960).

Almost surely, 2^{535404250452021} is an apocalyptic number.

It is an amenable number.

535404250452021 is a deficient number, since it is larger than the sum of its proper divisors (233578051530699).

535404250452021 is a wasteful number, since it uses less digits than its factorization.

535404250452021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13892377.

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 535404250452021 in words is "five hundred thirty-five trillion, four hundred four billion, two hundred fifty million, four hundred fifty-two thousand, twenty-one".