10343402257 has 2 divisors, whose sum is σ = 10343402258. Its totient is φ = 10343402256.

The previous prime is 10343402219. The next prime is 10343402269. The reversal of 10343402257 is 75220434301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9522637056 + 820765201 = 97584^2 + 28649^2 .

It is an emirp because it is prime and its reverse (75220434301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10343402257 - 2²⁷ = 10209184529 is a prime.

It is a super-2 number, since 2×10343402257² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10343402057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5171701128 + 5171701129.

It is an arithmetic number, because the mean of its divisors is an integer number (5171701129).

Almost surely, 2^10343402257 is an apocalyptic number.

It is an amenable number.

10343402257 is a deficient number, since it is larger than the sum of its proper divisors (1).

10343402257 is an equidigital number, since it uses as much as digits as its factorization.

10343402257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 31.

Adding to 10343402257 its reverse (75220434301), we get a palindrome (85563836558).

The spelling of 10343402257 in words is "ten billion, three hundred forty-three million, four hundred two thousand, two hundred fifty-seven".