10343656637 has 2 divisors, whose sum is σ = 10343656638. Its totient is φ = 10343656636.

The previous prime is 10343656621. The next prime is 10343656667. The reversal of 10343656637 is 73665634301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8341899556 + 2001757081 = 91334^2 + 44741^2 .

It is a cyclic number.

It is not a de Polignac number, because 10343656637 - 2⁴ = 10343656621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10343656667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5171828318 + 5171828319.

It is an arithmetic number, because the mean of its divisors is an integer number (5171828319).

Almost surely, 2^10343656637 is an apocalyptic number.

It is an amenable number.

10343656637 is a deficient number, since it is larger than the sum of its proper divisors (1).

10343656637 is an equidigital number, since it uses as much as digits as its factorization.

10343656637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 44.

The spelling of 10343656637 in words is "ten billion, three hundred forty-three million, six hundred fifty-six thousand, six hundred thirty-seven".