10340521207 has 4 divisors (see below), whose sum is σ = 10383428176. Its totient is φ = 10297614240.

The previous prime is 10340521193. The next prime is 10340521211. The reversal of 10340521207 is 70212504301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10340521207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10340521007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21453123 + ... + 21453604.

It is an arithmetic number, because the mean of its divisors is an integer number (2595857044).

Almost surely, 2^10340521207 is an apocalyptic number.

10340521207 is a deficient number, since it is larger than the sum of its proper divisors (42906969).

10340521207 is an equidigital number, since it uses as much as digits as its factorization.

10340521207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42906968.

The product of its (nonzero) digits is 1680, while the sum is 25.

The spelling of 10340521207 in words is "ten billion, three hundred forty million, five hundred twenty-one thousand, two hundred seven".