2097621369 has 12 divisors (see below), whose sum is σ = 3048042816. Its totient is φ = 1390039512.

The previous prime is 2097621341. The next prime is 2097621437. The reversal of 2097621369 is 9631267902.

It is a happy number.

It is not a de Polignac number, because 2097621369 - 2¹⁵ = 2097588601 is a prime.

It is a super-2 number, since 2×2097621369² = 8800030815370868322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2097621319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 696309 + ... + 699314.

It is an arithmetic number, because the mean of its divisors is an integer number (254003568).

Almost surely, 2^2097621369 is an apocalyptic number.

It is an amenable number.

2097621369 is a deficient number, since it is larger than the sum of its proper divisors (950421447).

2097621369 is a wasteful number, since it uses less digits than its factorization.

2097621369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395796 (or 1395793 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 2097621369 is about 45799.7966043519. The cubic root of 2097621369 is about 1280.0954862442.

The spelling of 2097621369 in words is "two billion, ninety-seven million, six hundred twenty-one thousand, three hundred sixty-nine".