535345033621531 has 12 divisors (see below), whose sum is σ = 622749171757440. Its totient is φ = 458866532582640.

The previous prime is 535345033621507. The next prime is 535345033621579. The reversal of 535345033621531 is 135126330543535.

It is a happy number.

It is not a de Polignac number, because 535345033621531 - 2²⁵ = 535345000067099 is a prime.

It is a super-2 number, since 2×535345033621531² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (535345033601531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29789446 + ... + 44250436.

It is an arithmetic number, because the mean of its divisors is an integer number (51895764313120).

Almost surely, 2^{535345033621531} is an apocalyptic number.

535345033621531 is a deficient number, since it is larger than the sum of its proper divisors (87404138135909).

535345033621531 is a wasteful number, since it uses less digits than its factorization.

535345033621531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15216514 (or 15216507 counting only the distinct ones).

The product of its (nonzero) digits is 7290000, while the sum is 49.

The spelling of 535345033621531 in words is "five hundred thirty-five trillion, three hundred forty-five billion, thirty-three million, six hundred twenty-one thousand, five hundred thirty-one".