25452341672 has 8 divisors (see below), whose sum is σ = 47723140650. Its totient is φ = 12726170832.

The previous prime is 25452341669. The next prime is 25452341723. The reversal of 25452341672 is 27614325452.

It can be written as a sum of positive squares in only one way, i.e., 17246518276 + 8205823396 = 131326^2 + 90586^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between even and odd.

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 as a sum of consecutive naturals, namely, 1590771347 + ... + 1590771362.

Almost surely, 2^25452341672 is an apocalyptic number.

It is an amenable number.

25452341672 is a deficient number, since it is larger than the sum of its proper divisors (22270798978).

25452341672 is a wasteful number, since it uses less digits than its factorization.

25452341672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3181542715 (or 3181542711 counting only the distinct ones).

The product of its digits is 403200, while the sum is 41.

The spelling of 25452341672 in words is "twenty-five billion, four hundred fifty-two million, three hundred forty-one thousand, six hundred seventy-two".