6618145029 has 4 divisors (see below), whose sum is σ = 8824193376. Its totient is φ = 4412096684.

The previous prime is 6618144977. The next prime is 6618145049. The reversal of 6618145029 is 9205418166.

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 6618145029 - 2¹⁵ = 6618112261 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6618145049) 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, 1103024169 + ... + 1103024174.

It is an arithmetic number, because the mean of its divisors is an integer number (2206048344).

Almost surely, 2^6618145029 is an apocalyptic number.

It is an amenable number.

6618145029 is a deficient number, since it is larger than the sum of its proper divisors (2206048347).

6618145029 is a wasteful number, since it uses less digits than its factorization.

6618145029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206048346.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 6618145029 is about 81351.9823298732. The cubic root of 6618145029 is about 1877.4948741913.

The spelling of 6618145029 in words is "six billion, six hundred eighteen million, one hundred forty-five thousand, twenty-nine".