2662343021 has 24 divisors (see below), whose sum is σ = 3098257344. Its totient is φ = 2278298880.

The previous prime is 2662342993. The next prime is 2662343027. The reversal of 2662343021 is 1203432662.

It is not a de Polignac number, because 2662343021 - 2⁶ = 2662342957 is a prime.

It is a super-2 number, since 2×2662343021² = 14176140722934812882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662343027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185576 + ... + 199406.

It is an arithmetic number, because the mean of its divisors is an integer number (129094056).

Almost surely, 2^2662343021 is an apocalyptic number.

It is an amenable number.

2662343021 is a deficient number, since it is larger than the sum of its proper divisors (435914323).

2662343021 is a wasteful number, since it uses less digits than its factorization.

2662343021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13941 (or 13928 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 2662343021 is about 51597.8974474736. The cubic root of 2662343021 is about 1385.9726811676.

Adding to 2662343021 its reverse (1203432662), we get a palindrome (3865775683).

The spelling of 2662343021 in words is "two billion, six hundred sixty-two million, three hundred forty-three thousand, twenty-one".