25620071440673 has 8 divisors (see below), whose sum is σ = 27124383518400. Its totient is φ = 24131348089488.

The previous prime is 25620071440669. The next prime is 25620071440681. The reversal of 25620071440673 is 37604417002652.

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

It is a cyclic number.

It is not a de Polignac number, because 25620071440673 - 2² = 25620071440669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25620071440643) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 3897178253 + ... + 3897184826.

It is an arithmetic number, because the mean of its divisors is an integer number (3390547939800).

Almost surely, 2^{25620071440673} is an apocalyptic number.

It is an amenable number.

25620071440673 is a deficient number, since it is larger than the sum of its proper divisors (1504312077727).

25620071440673 is a wasteful number, since it uses less digits than its factorization.

25620071440673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7794363271.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 25620071440673 in words is "twenty-five trillion, six hundred twenty billion, seventy-one million, four hundred forty thousand, six hundred seventy-three".