10343097921 has 32 divisors (see below), whose sum is σ = 15738549120. Its totient is φ = 5995584000.

The previous prime is 10343097913. The next prime is 10343097937. The reversal of 10343097921 is 12979034301.

It is not a de Polignac number, because 10343097921 - 2³ = 10343097913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 10343097921.

It is not an unprimeable number, because it can be changed into a prime (10343097971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65155 + ... + 157896.

It is an arithmetic number, because the mean of its divisors is an integer number (491829660).

Almost surely, 2^10343097921 is an apocalyptic number.

It is an amenable number.

10343097921 is a deficient number, since it is larger than the sum of its proper divisors (5395451199).

10343097921 is a wasteful number, since it uses less digits than its factorization.

10343097921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223137.

The product of its (nonzero) digits is 40824, while the sum is 39.

The spelling of 10343097921 in words is "ten billion, three hundred forty-three million, ninety-seven thousand, nine hundred twenty-one".