6135621330 has 32 divisors (see below), whose sum is σ = 14732958528. Its totient is φ = 1635336000.

The previous prime is 6135621319. The next prime is 6135621389. The reversal of 6135621330 is 331265316.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9480 + ... + 111180.

It is an arithmetic number, because the mean of its divisors is an integer number (460404954).

Almost surely, 2^6135621330 is an apocalyptic number.

6135621330 is an abundant number, since it is smaller than the sum of its proper divisors (8597337198).

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

6135621330 is a wasteful number, since it uses less digits than its factorization.

6135621330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103722.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 6135621330 is about 78330.2070085353. The cubic root of 6135621330 is about 1830.7098413777.

Adding to 6135621330 its reverse (331265316), we get a palindrome (6466886646).

The spelling of 6135621330 in words is "six billion, one hundred thirty-five million, six hundred twenty-one thousand, three hundred thirty".