25424450014 has 4 divisors (see below), whose sum is σ = 38136675024. Its totient is φ = 12712225006.

The previous prime is 25424449969. The next prime is 25424450059. The reversal of 25424450014 is 41005442452.

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

It is an interprime number because it is at equal distance from previous prime (25424449969) and next prime (25424450059).

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6356112502 + ... + 6356112505.

It is an arithmetic number, because the mean of its divisors is an integer number (9534168756).

Almost surely, 2^25424450014 is an apocalyptic number.

25424450014 is a deficient number, since it is larger than the sum of its proper divisors (12712225010).

25424450014 is a wasteful number, since it uses less digits than its factorization.

25424450014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12712225009.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 25424450014 its reverse (41005442452), we get a palindrome (66429892466).

The spelling of 25424450014 in words is "twenty-five billion, four hundred twenty-four million, four hundred fifty thousand, fourteen".