10521562642433 has 4 divisors (see below), whose sum is σ = 10618090740180. Its totient is φ = 10425034544688.

The previous prime is 10521562642343. The next prime is 10521562642439. The reversal of 10521562642433 is 33424626512501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6877312186369 + 3644250456064 = 2622463^2 + 1908992^2 .

It is a cyclic number.

It is not a de Polignac number, because 10521562642433 - 2³⁴ = 10504382773249 is a prime.

It is a super-2 number, since 2×10521562642433² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10521562642439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48264048710 + ... + 48264048927.

It is an arithmetic number, because the mean of its divisors is an integer number (2654522685045).

Almost surely, 2^{10521562642433} is an apocalyptic number.

It is an amenable number.

10521562642433 is a deficient number, since it is larger than the sum of its proper divisors (96528097747).

10521562642433 is an equidigital number, since it uses as much as digits as its factorization.

10521562642433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96528097746.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 10521562642433 in words is "ten trillion, five hundred twenty-one billion, five hundred sixty-two million, six hundred forty-two thousand, four hundred thirty-three".