25242283619 has 4 divisors (see below), whose sum is σ = 28848324144. Its totient is φ = 21636243096.

The previous prime is 25242283613. The next prime is 25242283637. The reversal of 25242283619 is 91638224252.

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 25242283619 - 2²⁰ = 25241235043 is a prime.

It is a super-2 number, since 2×25242283619² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25242283619.

It is not an unprimeable number, because it can be changed into a prime (25242283613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1803020252 + ... + 1803020265.

It is an arithmetic number, because the mean of its divisors is an integer number (7212081036).

Almost surely, 2^25242283619 is an apocalyptic number.

25242283619 is a deficient number, since it is larger than the sum of its proper divisors (3606040525).

25242283619 is an equidigital number, since it uses as much as digits as its factorization.

25242283619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606040524.

The product of its digits is 414720, while the sum is 44.

The spelling of 25242283619 in words is "twenty-five billion, two hundred forty-two million, two hundred eighty-three thousand, six hundred nineteen".