6629021087 has 8 divisors (see below), whose sum is σ = 7219159920. Its totient is φ = 6050341440.

The previous prime is 6629021033. The next prime is 6629021099. The reversal of 6629021087 is 7801209266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6629021087 - 2¹⁰ = 6629020063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6629021027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2863589 + ... + 2865902.

It is an arithmetic number, because the mean of its divisors is an integer number (902394990).

Almost surely, 2^6629021087 is an apocalyptic number.

6629021087 is a deficient number, since it is larger than the sum of its proper divisors (590138833).

6629021087 is a wasteful number, since it uses less digits than its factorization.

6629021087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5729593.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 6629021087 is about 81418.8005745602. The cubic root of 6629021087 is about 1878.5227839520.

The spelling of 6629021087 in words is "six billion, six hundred twenty-nine million, twenty-one thousand, eighty-seven".