25434078083 has 4 divisors (see below), whose sum is σ = 25494780360. Its totient is φ = 25373375808.

The previous prime is 25434078079. The next prime is 25434078149. The reversal of 25434078083 is 38087043452.

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 25434078083 - 2² = 25434078079 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25434078013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30350510 + ... + 30351347.

It is an arithmetic number, because the mean of its divisors is an integer number (6373695090).

Almost surely, 2^25434078083 is an apocalyptic number.

25434078083 is a deficient number, since it is larger than the sum of its proper divisors (60702277).

25434078083 is an equidigital number, since it uses as much as digits as its factorization.

25434078083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60702276.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 25434078083 in words is "twenty-five billion, four hundred thirty-four million, seventy-eight thousand, eighty-three".