25969939933 has 8 divisors (see below), whose sum is σ = 29957314752. Its totient is φ = 22051910976.

The previous prime is 25969939927. The next prime is 25969939939. The reversal of 25969939933 is 33993996952.

It is an interprime number because it is at equal distance from previous prime (25969939927) and next prime (25969939939).

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

It is a cyclic number.

It is not a de Polignac number, because 25969939933 - 2¹⁷ = 25969808861 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 (25969939939) 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, 17335660 + ... + 17337157.

It is an arithmetic number, because the mean of its divisors is an integer number (3744664344).

Almost surely, 2^25969939933 is an apocalyptic number.

It is an amenable number.

25969939933 is a deficient number, since it is larger than the sum of its proper divisors (3987374819).

25969939933 is a wasteful number, since it uses less digits than its factorization.

25969939933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34672931.

The product of its digits is 95659380, while the sum is 67.

The spelling of 25969939933 in words is "twenty-five billion, nine hundred sixty-nine million, nine hundred thirty-nine thousand, nine hundred thirty-three".