6921533150 has 36 divisors (see below), whose sum is σ = 14716511208. Its totient is φ = 2372563440.

The previous prime is 6921533149. The next prime is 6921533159. The reversal of 6921533150 is 513351296.

It is a super-2 number, since 2×6921533150² = 95815242293097845000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 6921533150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6921533159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1554227 + ... + 1558673.

It is an arithmetic number, because the mean of its divisors is an integer number (408791978).

Almost surely, 2^6921533150 is an apocalyptic number.

6921533150 is an abundant number, since it is smaller than the sum of its proper divisors (7794978058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6921533150 is an frugal number, since it uses more digits than its factorization.

6921533150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8913 (or 4461 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 6921533150 is about 83195.7519949186. The cubic root of 6921533150 is about 1905.7566084535.

The spelling of 6921533150 in words is "six billion, nine hundred twenty-one million, five hundred thirty-three thousand, one hundred fifty".