25734039506 has 8 divisors (see below), whose sum is σ = 44115496320. Its totient is φ = 11028874068.

The previous prime is 25734039473. The next prime is 25734039511. The reversal of 25734039506 is 60593043752.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919072826 + ... + 919072853.

It is an arithmetic number, because the mean of its divisors is an integer number (5514437040).

Almost surely, 2^25734039506 is an apocalyptic number.

25734039506 is a deficient number, since it is larger than the sum of its proper divisors (18381456814).

25734039506 is a wasteful number, since it uses less digits than its factorization.

25734039506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838145688.

The product of its (nonzero) digits is 680400, while the sum is 44.

The spelling of 25734039506 in words is "twenty-five billion, seven hundred thirty-four million, thirty-nine thousand, five hundred six".