25430134605 has 16 divisors (see below), whose sum is σ = 40707522240. Its totient is φ = 13556302848.

The previous prime is 25430134577. The next prime is 25430134627. The reversal of 25430134605 is 50643103452.

It is not a de Polignac number, because 25430134605 - 2¹⁴ = 25430118221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369475 + ... + 432864.

It is an arithmetic number, because the mean of its divisors is an integer number (2544220140).

Almost surely, 2^25430134605 is an apocalyptic number.

It is an amenable number.

25430134605 is a deficient number, since it is larger than the sum of its proper divisors (15277387635).

25430134605 is a wasteful number, since it uses less digits than its factorization.

25430134605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804460.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 25430134605 in words is "twenty-five billion, four hundred thirty million, one hundred thirty-four thousand, six hundred five".