25948769518 has 8 divisors (see below), whose sum is σ = 44483604912. Its totient is φ = 11120901216.

The previous prime is 25948769479. The next prime is 25948769531. The reversal of 25948769518 is 81596784952.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25948769518.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926741755 + ... + 926741782.

It is an arithmetic number, because the mean of its divisors is an integer number (5560450614).

Almost surely, 2^25948769518 is an apocalyptic number.

25948769518 is a deficient number, since it is larger than the sum of its proper divisors (18534835394).

25948769518 is a wasteful number, since it uses less digits than its factorization.

25948769518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853483546.

The product of its digits is 43545600, while the sum is 64.

The spelling of 25948769518 in words is "twenty-five billion, nine hundred forty-eight million, seven hundred sixty-nine thousand, five hundred eighteen".