6852915090 has 240 divisors, whose sum is σ = 22370116032. Its totient is φ = 1498077504.

The previous prime is 6852915089. The next prime is 6852915109. The reversal of 6852915090 is 905192586.

6852915090 is a `hidden beast` number, since 6 + 8 + 52 + 91 + 509 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 909117 + ... + 916623.

Almost surely, 2^6852915090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6852915090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11185058016).

6852915090 is an abundant number, since it is smaller than the sum of its proper divisors (15517200942).

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

6852915090 is a wasteful number, since it uses less digits than its factorization.

6852915090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7563 (or 7547 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 6852915090 is about 82782.3356157580. The cubic root of 6852915090 is about 1899.4379768900.

The spelling of 6852915090 in words is "six billion, eight hundred fifty-two million, nine hundred fifteen thousand, ninety".