10435344421 has 12 divisors (see below), whose sum is σ = 10951370892. Its totient is φ = 9942665216.

The previous prime is 10435344419. The next prime is 10435344433. The reversal of 10435344421 is 12444353401.

It can be written as a sum of positive squares in 2 ways, for example, as 9977812321 + 457532100 = 99889^2 + 21390^2 .

It is not a de Polignac number, because 10435344421 - 2¹ = 10435344419 is a prime.

It is a super-3 number, since 3×10435344421³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10435344221) 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, 97575 + ... + 174331.

It is an arithmetic number, because the mean of its divisors is an integer number (912614241).

Almost surely, 2^10435344421 is an apocalyptic number.

It is an amenable number.

10435344421 is a deficient number, since it is larger than the sum of its proper divisors (516026471).

10435344421 is an equidigital number, since it uses as much as digits as its factorization.

10435344421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77060 (or 77037 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 10435344421 its reverse (12444353401), we get a palindrome (22879697822).

The spelling of 10435344421 in words is "ten billion, four hundred thirty-five million, three hundred forty-four thousand, four hundred twenty-one".