25703645005 has 16 divisors (see below), whose sum is σ = 31511278080. Its totient is φ = 20122921728.

The previous prime is 25703645003. The next prime is 25703645017. The reversal of 25703645005 is 50054630752.

It is a cyclic number.

It is not a de Polignac number, because 25703645005 - 2¹ = 25703645003 is a prime.

It is a super-2 number, since 2×25703645005² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25703645003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243297 + ... + 332566.

It is an arithmetic number, because the mean of its divisors is an integer number (1969454880).

Almost surely, 2^25703645005 is an apocalyptic number.

It is an amenable number.

25703645005 is a deficient number, since it is larger than the sum of its proper divisors (5807633075).

25703645005 is a wasteful number, since it uses less digits than its factorization.

25703645005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576060.

The product of its (nonzero) digits is 126000, while the sum is 37.

The spelling of 25703645005 in words is "twenty-five billion, seven hundred three million, six hundred forty-five thousand, five".