25084769890 has 16 divisors (see below), whose sum is σ = 45154429632. Its totient is φ = 10033498224.

The previous prime is 25084769881. The next prime is 25084769891. The reversal of 25084769890 is 9896748052.

It is a super-2 number, since 2×25084769890² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25084769891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374107 + ... + 436033.

It is an arithmetic number, because the mean of its divisors is an integer number (2822151852).

Almost surely, 2^25084769890 is an apocalyptic number.

25084769890 is a deficient number, since it is larger than the sum of its proper divisors (20069659742).

25084769890 is a wasteful number, since it uses less digits than its factorization.

25084769890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102441.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 25084769890 in words is "twenty-five billion, eighty-four million, seven hundred sixty-nine thousand, eight hundred ninety".