10430425021 has 4 divisors (see below), whose sum is σ = 11043979452. Its totient is φ = 9816870592.

The previous prime is 10430425009. The next prime is 10430425081. The reversal of 10430425021 is 12052403401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12052403401 = 307 ⋅39258643.

It can be written as a sum of positive squares in 2 ways, for example, as 5570383225 + 4860041796 = 74635^2 + 69714^2 .

It is not a de Polignac number, because 10430425021 - 2¹⁵ = 10430392253 is a prime.

It is a super-2 number, since 2×10430425021² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10430424983 and 10430425001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10430425001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306777190 + ... + 306777223.

It is an arithmetic number, because the mean of its divisors is an integer number (2760994863).

Almost surely, 2^10430425021 is an apocalyptic number.

It is an amenable number.

10430425021 is a deficient number, since it is larger than the sum of its proper divisors (613554431).

10430425021 is an equidigital number, since it uses as much as digits as its factorization.

10430425021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613554430.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 10430425021 its reverse (12052403401), we get a palindrome (22482828422).

The spelling of 10430425021 in words is "ten billion, four hundred thirty million, four hundred twenty-five thousand, twenty-one".