25919999996 has 36 divisors (see below), whose sum is σ = 49885549560. Its totient is φ = 11775429600.

The previous prime is 25919999953. The next prime is 25919999999. The reversal of 25919999996 is 69999991952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25919999999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 944306 + ... + 971366.

It is an arithmetic number, because the mean of its divisors is an integer number (1385709710).

Almost surely, 2^25919999996 is an apocalyptic number.

It is an amenable number.

25919999996 is a deficient number, since it is larger than the sum of its proper divisors (23965549564).

25919999996 is a wasteful number, since it uses less digits than its factorization.

25919999996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29066 (or 29053 counting only the distinct ones).

The product of its digits is 286978140, while the sum is 77.

The spelling of 25919999996 in words is "twenty-five billion, nine hundred nineteen million, nine hundred ninety-nine thousand, nine hundred ninety-six".