10535421894 has 16 divisors (see below), whose sum is σ = 21073747968. Its totient is φ = 3511323272.

The previous prime is 10535421893. The next prime is 10535421937. The reversal of 10535421894 is 49812453501.

It is a super-2 number, since 2×10535421894² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10535421893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72342 + ... + 162185.

It is an arithmetic number, because the mean of its divisors is an integer number (1317109248).

Almost surely, 2^10535421894 is an apocalyptic number.

10535421894 is an abundant number, since it is smaller than the sum of its proper divisors (10538326074).

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

10535421894 is a wasteful number, since it uses less digits than its factorization.

10535421894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242019.

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 10535421894 in words is "ten billion, five hundred thirty-five million, four hundred twenty-one thousand, eight hundred ninety-four".