25453413993 has 8 divisors (see below), whose sum is σ = 38786154688. Its totient is φ = 14544807984.

The previous prime is 25453413989. The next prime is 25453414003. The reversal of 25453413993 is 39931435452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25453413993 - 2² = 25453413989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25453413943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606033646 + ... + 606033687.

It is an arithmetic number, because the mean of its divisors is an integer number (4848269336).

Almost surely, 2^25453413993 is an apocalyptic number.

It is an amenable number.

25453413993 is a deficient number, since it is larger than the sum of its proper divisors (13332740695).

25453413993 is a wasteful number, since it uses less digits than its factorization.

25453413993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212067343.

The product of its digits is 1749600, while the sum is 48.

The spelling of 25453413993 in words is "twenty-five billion, four hundred fifty-three million, four hundred thirteen thousand, nine hundred ninety-three".