2182718349 has 24 divisors (see below), whose sum is σ = 3815173440. Its totient is φ = 1173898368.

The previous prime is 2182718341. The next prime is 2182718389. The reversal of 2182718349 is 9438172812.

It is a happy number.

It is not a de Polignac number, because 2182718349 - 2³ = 2182718341 is a prime.

It is a super-2 number, since 2×2182718349² = 9528518782122571602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182718341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1017939 + ... + 1020080.

It is an arithmetic number, because the mean of its divisors is an integer number (158965560).

Almost surely, 2^2182718349 is an apocalyptic number.

It is an amenable number.

2182718349 is a deficient number, since it is larger than the sum of its proper divisors (1632455091).

2182718349 is a wasteful number, since it uses less digits than its factorization.

2182718349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038049 (or 2038046 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 2182718349 is about 46719.5713700372. The cubic root of 2182718349 is about 1297.1769804109.

The spelling of 2182718349 in words is "two billion, one hundred eighty-two million, seven hundred eighteen thousand, three hundred forty-nine".