3440002121 has 4 divisors (see below), whose sum is σ = 3462783744. Its totient is φ = 3417220500.

The previous prime is 3440002103. The next prime is 3440002123. The reversal of 3440002121 is 1212000443.

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 a de Polignac number, because none of the positive numbers 2^k-3440002121 is a prime.

It is a super-2 number, since 2×3440002121² = 23667229184968997282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3440002121.

It is not an unprimeable number, because it can be changed into a prime (3440002123) 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, 11390585 + ... + 11390886.

It is an arithmetic number, because the mean of its divisors is an integer number (865695936).

Almost surely, 2^3440002121 is an apocalyptic number.

It is an amenable number.

3440002121 is a deficient number, since it is larger than the sum of its proper divisors (22781623).

3440002121 is a wasteful number, since it uses less digits than its factorization.

3440002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22781622.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 3440002121 is about 58651.5312758329. The cubic root of 3440002121 is about 1509.5687731089.

Adding to 3440002121 its reverse (1212000443), we get a palindrome (4652002564).

The spelling of 3440002121 in words is "three billion, four hundred forty million, two thousand, one hundred twenty-one".