10397091449 has 4 divisors (see below), whose sum is σ = 10418267280. Its totient is φ = 10375915620.

The previous prime is 10397091433. The next prime is 10397091469. The reversal of 10397091449 is 94419079301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94419079301 = 79 ⋅1195178219.

It is a cyclic number.

It is not a de Polignac number, because 10397091449 - 2⁴ = 10397091433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10397091409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10587179 + ... + 10588160.

It is an arithmetic number, because the mean of its divisors is an integer number (2604566820).

Almost surely, 2^10397091449 is an apocalyptic number.

It is an amenable number.

10397091449 is a deficient number, since it is larger than the sum of its proper divisors (21175831).

10397091449 is an equidigital number, since it uses as much as digits as its factorization.

10397091449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21175830.

The product of its (nonzero) digits is 244944, while the sum is 47.

The spelling of 10397091449 in words is "ten billion, three hundred ninety-seven million, ninety-one thousand, four hundred forty-nine".