25827343493 has 8 divisors (see below), whose sum is σ = 29549089920. Its totient is φ = 22113628560.

The previous prime is 25827343469. The next prime is 25827343541. The reversal of 25827343493 is 39434372852.

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

It is a cyclic number.

It is not a de Polignac number, because 25827343493 - 2⁶ = 25827343429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25827343463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2000978 + ... + 2013843.

It is an arithmetic number, because the mean of its divisors is an integer number (3693636240).

Almost surely, 2^25827343493 is an apocalyptic number.

It is an amenable number.

25827343493 is a deficient number, since it is larger than the sum of its proper divisors (3721746427).

25827343493 is an equidigital number, since it uses as much as digits as its factorization.

25827343493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015747.

The product of its digits is 4354560, while the sum is 50.

The spelling of 25827343493 in words is "twenty-five billion, eight hundred twenty-seven million, three hundred forty-three thousand, four hundred ninety-three".