25672243740463 has 8 divisors (see below), whose sum is σ = 26035145763840. Its totient is φ = 25309378415160.

The previous prime is 25672243740449. The next prime is 25672243740499. The reversal of 25672243740463 is 36404734227652.

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 25672243740463 - 2²⁹ = 25671706869551 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 (25672243740863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7764003 + ... + 10565236.

It is an arithmetic number, because the mean of its divisors is an integer number (3254393220480).

Almost surely, 2^{25672243740463} is an apocalyptic number.

25672243740463 is a deficient number, since it is larger than the sum of its proper divisors (362902023377).

25672243740463 is a wasteful number, since it uses less digits than its factorization.

25672243740463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18349037.

The product of its (nonzero) digits is 40642560, while the sum is 55.

The spelling of 25672243740463 in words is "twenty-five trillion, six hundred seventy-two billion, two hundred forty-three million, seven hundred forty thousand, four hundred sixty-three".