9905942562 has 32 divisors (see below), whose sum is σ = 21118617600. Its totient is φ = 3088592208.

The previous prime is 9905942531. The next prime is 9905942591. The reversal of 9905942562 is 2652495099.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540958 + ... + 558969.

It is an arithmetic number, because the mean of its divisors is an integer number (659956800).

Almost surely, 2^9905942562 is an apocalyptic number.

9905942562 is an abundant number, since it is smaller than the sum of its proper divisors (11212675038).

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

9905942562 is a wasteful number, since it uses less digits than its factorization.

9905942562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100030.

The product of its (nonzero) digits is 1749600, while the sum is 51.

The square root of 9905942562 is about 99528.6017283474. The cubic root of 9905942562 is about 2147.6587141438.

The spelling of 9905942562 in words is "nine billion, nine hundred five million, nine hundred forty-two thousand, five hundred sixty-two".