25550342467 has 4 divisors (see below), whose sum is σ = 27515753440. Its totient is φ = 23584931496.

The previous prime is 25550342459. The next prime is 25550342537. The reversal of 25550342467 is 76424305552.

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

It is a cyclic number.

It is not a de Polignac number, because 25550342467 - 2³ = 25550342459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25550312467) 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 3 ways as a sum of consecutive naturals, for example, 982705467 + ... + 982705492.

It is an arithmetic number, because the mean of its divisors is an integer number (6878938360).

Almost surely, 2^25550342467 is an apocalyptic number.

25550342467 is a deficient number, since it is larger than the sum of its proper divisors (1965410973).

25550342467 is a wasteful number, since it uses less digits than its factorization.

25550342467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965410972.

The product of its (nonzero) digits is 1008000, while the sum is 43.

The spelling of 25550342467 in words is "twenty-five billion, five hundred fifty million, three hundred forty-two thousand, four hundred sixty-seven".