25617988383 has 16 divisors (see below), whose sum is σ = 36903100416. Its totient is φ = 15714217440.

The previous prime is 25617988379. The next prime is 25617988391. The reversal of 25617988383 is 38388971652.

It is not a de Polignac number, because 25617988383 - 2² = 25617988379 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25617988343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1043935 + ... + 1068192.

It is an arithmetic number, because the mean of its divisors is an integer number (2306443776).

Almost surely, 2^25617988383 is an apocalyptic number.

25617988383 is a deficient number, since it is larger than the sum of its proper divisors (11285112033).

25617988383 is a wasteful number, since it uses less digits than its factorization.

25617988383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112454.

The product of its digits is 17418240, while the sum is 60.

The spelling of 25617988383 in words is "twenty-five billion, six hundred seventeen million, nine hundred eighty-eight thousand, three hundred eighty-three".