25229420133 has 8 divisors (see below), whose sum is σ = 33678391200. Its totient is φ = 16800031248.

The previous prime is 25229420119. The next prime is 25229420137. The reversal of 25229420133 is 33102492252.

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

It is a de Polignac number, because none of the positive numbers 2^k-25229420133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25229420094 and 25229420103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25229420137) 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, 4892538 + ... + 4897691.

It is an arithmetic number, because the mean of its divisors is an integer number (4209798900).

Almost surely, 2^25229420133 is an apocalyptic number.

It is an amenable number.

25229420133 is a deficient number, since it is larger than the sum of its proper divisors (8448971067).

25229420133 is an equidigital number, since it uses as much as digits as its factorization.

25229420133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9791091.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 25229420133 in words is "twenty-five billion, two hundred twenty-nine million, four hundred twenty thousand, one hundred thirty-three".