25672561673047 has 4 divisors (see below), whose sum is σ = 25702517988576. Its totient is φ = 25642605357520.

The previous prime is 25672561673023. The next prime is 25672561673111. The reversal of 25672561673047 is 74037616527652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25672561673047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25672561623047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14978156479 + ... + 14978158192.

It is an arithmetic number, because the mean of its divisors is an integer number (6425629497144).

Almost surely, 2^{25672561673047} is an apocalyptic number.

25672561673047 is a deficient number, since it is larger than the sum of its proper divisors (29956315529).

25672561673047 is an equidigital number, since it uses as much as digits as its factorization.

25672561673047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29956315528.

The product of its (nonzero) digits is 88905600, while the sum is 61.

The spelling of 25672561673047 in words is "twenty-five trillion, six hundred seventy-two billion, five hundred sixty-one million, six hundred seventy-three thousand, forty-seven".