909051951852 has 72 divisors (see below), whose sum is σ = 2510691058512. Its totient is φ = 275040460800.

The previous prime is 909051951851. The next prime is 909051951889. The reversal of 909051951852 is 258159150909.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (909051951851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1536793 + ... + 2044464.

It is an arithmetic number, because the mean of its divisors is an integer number (34870709146).

Almost surely, 2^909051951852 is an apocalyptic number.

It is an amenable number.

909051951852 is an abundant number, since it is smaller than the sum of its proper divisors (1601639106660).

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

909051951852 is a wasteful number, since it uses less digits than its factorization.

909051951852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581919 (or 3581914 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 54.

The spelling of 909051951852 in words is "nine hundred nine billion, fifty-one million, nine hundred fifty-one thousand, eight hundred fifty-two".