2120014409 has 4 divisors (see below), whose sum is σ = 2120411904. Its totient is φ = 2119616916.

The previous prime is 2120014387. The next prime is 2120014439. The reversal of 2120014409 is 9044100212.

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 2120014409 - 2⁸ = 2120014153 is a prime.

It is a super-2 number, since 2×2120014409² = 8988922188735238562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120014439) 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, 190637 + ... + 201450.

It is an arithmetic number, because the mean of its divisors is an integer number (530102976).

Almost surely, 2^2120014409 is an apocalyptic number.

It is an amenable number.

2120014409 is a deficient number, since it is larger than the sum of its proper divisors (397495).

2120014409 is an equidigital number, since it uses as much as digits as its factorization.

2120014409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397494.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2120014409 is about 46043.6142043606. The cubic root of 2120014409 is about 1284.6345681237.

The spelling of 2120014409 in words is "two billion, one hundred twenty million, fourteen thousand, four hundred nine".