25374320223999 has 4 divisors (see below), whose sum is σ = 33832426965336. Its totient is φ = 16916213482664.

The previous prime is 25374320223997. The next prime is 25374320224063. The reversal of 25374320223999 is 99932202347352.

It is a happy number.

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 25374320223999 - 2¹ = 25374320223997 is a prime.

It is a super-2 number, since 2×25374320223999² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25374320223997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4229053370664 + ... + 4229053370669.

It is an arithmetic number, because the mean of its divisors is an integer number (8458106741334).

Almost surely, 2^{25374320223999} is an apocalyptic number.

25374320223999 is a deficient number, since it is larger than the sum of its proper divisors (8458106741337).

25374320223999 is an equidigital number, since it uses as much as digits as its factorization.

25374320223999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8458106741336.

The product of its (nonzero) digits is 44089920, while the sum is 60.

The spelling of 25374320223999 in words is "twenty-five trillion, three hundred seventy-four billion, three hundred twenty million, two hundred twenty-three thousand, nine hundred ninety-nine".