25191916097039 has 8 divisors (see below), whose sum is σ = 25987060993968. Its totient is φ = 24409099028160.

The previous prime is 25191916096981. The next prime is 25191916097053. The reversal of 25191916097039 is 93079061919152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25191916097039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25191916097069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3081952862 + ... + 3081961035.

It is an arithmetic number, because the mean of its divisors is an integer number (3248382624246).

Almost surely, 2^{25191916097039} is an apocalyptic number.

25191916097039 is a deficient number, since it is larger than the sum of its proper divisors (795144896929).

25191916097039 is an equidigital number, since it uses as much as digits as its factorization.

25191916097039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6163914025.

The product of its (nonzero) digits is 8266860, while the sum is 62.

The spelling of 25191916097039 in words is "twenty-five trillion, one hundred ninety-one billion, nine hundred sixteen million, ninety-seven thousand, thirty-nine".