6621152099 has 2 divisors, whose sum is σ = 6621152100. Its totient is φ = 6621152098.

The previous prime is 6621152093. The next prime is 6621152101. The reversal of 6621152099 is 9902511266.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6621152099 is a prime.

Together with 6621152101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6621152093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3310576049 + 3310576050.

It is an arithmetic number, because the mean of its divisors is an integer number (3310576050).

Almost surely, 2^6621152099 is an apocalyptic number.

6621152099 is a deficient number, since it is larger than the sum of its proper divisors (1).

6621152099 is an equidigital number, since it uses as much as digits as its factorization.

6621152099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 6621152099 is about 81370.4620793074. The cubic root of 6621152099 is about 1877.7791886842.

The spelling of 6621152099 in words is "six billion, six hundred twenty-one million, one hundred fifty-two thousand, ninety-nine".