10534452021 has 6 divisors (see below), whose sum is σ = 15216430710. Its totient is φ = 7022968008.

The previous prime is 10534452013. The next prime is 10534452031. The reversal of 10534452021 is 12025443501.

10534452021 is a `hidden beast` number, since 10 + 5 + 3 + 445 + 202 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10532916900 + 1535121 = 102630^2 + 1239^2 .

It is not a de Polignac number, because 10534452021 - 2³ = 10534452013 is a prime.

It is a super-2 number, since 2×10534452021² (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 (10534452001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 585247326 + ... + 585247343.

It is an arithmetic number, because the mean of its divisors is an integer number (2536071785).

Almost surely, 2^10534452021 is an apocalyptic number.

It is an amenable number.

10534452021 is a deficient number, since it is larger than the sum of its proper divisors (4681978689).

10534452021 is a wasteful number, since it uses less digits than its factorization.

10534452021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170494675 (or 1170494672 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 10534452021 its reverse (12025443501), we get a palindrome (22559895522).

The spelling of 10534452021 in words is "ten billion, five hundred thirty-four million, four hundred fifty-two thousand, twenty-one".