9925919835 has 32 divisors (see below), whose sum is σ = 17500885248. Its totient is φ = 4772960640.

The previous prime is 9925919833. The next prime is 9925919879. The reversal of 9925919835 is 5389195299.

It is not a de Polignac number, because 9925919835 - 2¹ = 9925919833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9925919831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 583501 + ... + 600270.

It is an arithmetic number, because the mean of its divisors is an integer number (546902664).

Almost surely, 2^9925919835 is an apocalyptic number.

9925919835 is a deficient number, since it is larger than the sum of its proper divisors (7574965413).

9925919835 is a wasteful number, since it uses less digits than its factorization.

9925919835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183835.

The product of its digits is 7873200, while the sum is 60.

The square root of 9925919835 is about 99628.9106384286. The cubic root of 9925919835 is about 2149.1014694986.

The spelling of 9925919835 in words is "nine billion, nine hundred twenty-five million, nine hundred nineteen thousand, eight hundred thirty-five".