10297140209 has 4 divisors (see below), whose sum is σ = 10300975104. Its totient is φ = 10293305316.

The previous prime is 10297140199. The next prime is 10297140221. The reversal of 10297140209 is 90204179201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10297140209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10297140289) 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, 1913417 + ... + 1918790.

It is an arithmetic number, because the mean of its divisors is an integer number (2575243776).

Almost surely, 2^10297140209 is an apocalyptic number.

It is an amenable number.

10297140209 is a deficient number, since it is larger than the sum of its proper divisors (3834895).

10297140209 is an equidigital number, since it uses as much as digits as its factorization.

10297140209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3834894.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 10297140209 in words is "ten billion, two hundred ninety-seven million, one hundred forty thousand, two hundred nine".