25703945045 has 8 divisors (see below), whose sum is σ = 31279167360. Its totient is φ = 20273533840.

The previous prime is 25703945023. The next prime is 25703945081. The reversal of 25703945045 is 54054930752.

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-25703945045 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25703944987 and 25703945005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36202385 + ... + 36203094.

It is an arithmetic number, because the mean of its divisors is an integer number (3909895920).

Almost surely, 2^25703945045 is an apocalyptic number.

It is an amenable number.

25703945045 is a deficient number, since it is larger than the sum of its proper divisors (5575222315).

25703945045 is an equidigital number, since it uses as much as digits as its factorization.

25703945045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72405555.

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 25703945045 in words is "twenty-five billion, seven hundred three million, nine hundred forty-five thousand, forty-five".