25936939486 has 8 divisors (see below), whose sum is σ = 38906305344. Its totient is φ = 12968171040.

The previous prime is 25936939459. The next prime is 25936939499. The reversal of 25936939486 is 68493963952.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17550 + ... + 228433.

It is an arithmetic number, because the mean of its divisors is an integer number (4863288168).

Almost surely, 2^25936939486 is an apocalyptic number.

25936939486 is a deficient number, since it is larger than the sum of its proper divisors (12969365858).

25936939486 is a wasteful number, since it uses less digits than its factorization.

25936939486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298706.

The product of its digits is 75582720, while the sum is 64.

The spelling of 25936939486 in words is "twenty-five billion, nine hundred thirty-six million, nine hundred thirty-nine thousand, four hundred eighty-six".