2147218613 has 16 divisors (see below), whose sum is σ = 2279740800. Its totient is φ = 2018117376.

The previous prime is 2147218603. The next prime is 2147218621. The reversal of 2147218613 is 3168127412.

It is a cyclic number.

It is not a de Polignac number, because 2147218613 - 2⁸ = 2147218357 is a prime.

It is a super-2 number, since 2×2147218613² = 9221095544027287538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147218603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702713 + ... + 705761.

It is an arithmetic number, because the mean of its divisors is an integer number (142483800).

Almost surely, 2^2147218613 is an apocalyptic number.

2147218613 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2147218613 is a deficient number, since it is larger than the sum of its proper divisors (132522187).

2147218613 is a wasteful number, since it uses less digits than its factorization.

2147218613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3596.

The product of its digits is 16128, while the sum is 35.

The square root of 2147218613 is about 46338.0903037663. The cubic root of 2147218613 is about 1290.1060772494.

The spelling of 2147218613 in words is "two billion, one hundred forty-seven million, two hundred eighteen thousand, six hundred thirteen".