10342436521 has 2 divisors, whose sum is σ = 10342436522. Its totient is φ = 10342436520.

The previous prime is 10342436501. The next prime is 10342436537. The reversal of 10342436521 is 12563424301.

10342436521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5349459600 + 4992976921 = 73140^2 + 70661^2 .

It is a cyclic number.

It is not a de Polignac number, because 10342436521 - 2³¹ = 8194952873 is a prime.

It is not a weakly prime, because it can be changed into another prime (10342436501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5171218260 + 5171218261.

It is an arithmetic number, because the mean of its divisors is an integer number (5171218261).

Almost surely, 2^10342436521 is an apocalyptic number.

It is an amenable number.

10342436521 is a deficient number, since it is larger than the sum of its proper divisors (1).

10342436521 is an equidigital number, since it uses as much as digits as its factorization.

10342436521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 10342436521 in words is "ten billion, three hundred forty-two million, four hundred thirty-six thousand, five hundred twenty-one".