10334400421 has 2 divisors, whose sum is σ = 10334400422. Its totient is φ = 10334400420.

The previous prime is 10334400407. The next prime is 10334400481. The reversal of 10334400421 is 12400443301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9406284196 + 928116225 = 96986^2 + 30465^2 .

It is a cyclic number.

It is not a de Polignac number, because 10334400421 - 2⁵ = 10334400389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10334400392 and 10334400401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10334400481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5167200210 + 5167200211.

It is an arithmetic number, because the mean of its divisors is an integer number (5167200211).

Almost surely, 2^10334400421 is an apocalyptic number.

It is an amenable number.

10334400421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10334400421 is an equidigital number, since it uses as much as digits as its factorization.

10334400421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 10334400421 its reverse (12400443301), we get a palindrome (22734843722).

The spelling of 10334400421 in words is "ten billion, three hundred thirty-four million, four hundred thousand, four hundred twenty-one".