10367449921 has 4 divisors (see below), whose sum is σ = 10913105200. Its totient is φ = 9821794644.

The previous prime is 10367449879. The next prime is 10367449933. The reversal of 10367449921 is 12994476301.

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 not a de Polignac number, because 10367449921 - 2⁷ = 10367449793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10367449991) 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, 272827611 + ... + 272827648.

It is an arithmetic number, because the mean of its divisors is an integer number (2728276300).

Almost surely, 2^10367449921 is an apocalyptic number.

It is an amenable number.

10367449921 is a deficient number, since it is larger than the sum of its proper divisors (545655279).

10367449921 is an equidigital number, since it uses as much as digits as its factorization.

10367449921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545655278.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 10367449921 in words is "ten billion, three hundred sixty-seven million, four hundred forty-nine thousand, nine hundred twenty-one".