25424534210 has 16 divisors (see below), whose sum is σ = 45780573816. Its totient is φ = 10166166528.

The previous prime is 25424534209. The next prime is 25424534237. The reversal of 25424534210 is 1243542452.

It can be written as a sum of positive squares in 4 ways, for example, as 25409316409 + 15217801 = 159403^2 + 3901^2 .

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, 426527 + ... + 482466.

Almost surely, 2^25424534210 is an apocalyptic number.

25424534210 is a deficient number, since it is larger than the sum of its proper divisors (20356039606).

25424534210 is a wasteful number, since it uses less digits than its factorization.

25424534210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911797.

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 25424534210 in words is "twenty-five billion, four hundred twenty-four million, five hundred thirty-four thousand, two hundred ten".