25229794742 has 8 divisors (see below), whose sum is σ = 37846098696. Its totient is φ = 12614428512.

The previous prime is 25229794703. The next prime is 25229794747. The reversal of 25229794742 is 24749792252.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25229794747) 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, 162788 + ... + 277415.

It is an arithmetic number, because the mean of its divisors is an integer number (4730762337).

Almost surely, 2^25229794742 is an apocalyptic number.

25229794742 is a deficient number, since it is larger than the sum of its proper divisors (12616303954).

25229794742 is a wasteful number, since it uses less digits than its factorization.

25229794742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468862.

The product of its digits is 5080320, while the sum is 53.

The spelling of 25229794742 in words is "twenty-five billion, two hundred twenty-nine million, seven hundred ninety-four thousand, seven hundred forty-two".