25693006197 has 16 divisors (see below), whose sum is σ = 34947855680. Its totient is φ = 16786403712.

The previous prime is 25693006133. The next prime is 25693006247. The reversal of 25693006197 is 79160039652.

It is not a de Polignac number, because 25693006197 - 2⁶ = 25693006133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25693006897) 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, 339247 + ... + 408012.

It is an arithmetic number, because the mean of its divisors is an integer number (2184240980).

Almost surely, 2^25693006197 is an apocalyptic number.

It is an amenable number.

25693006197 is a deficient number, since it is larger than the sum of its proper divisors (9254849483).

25693006197 is a wasteful number, since it uses less digits than its factorization.

25693006197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747492.

The product of its (nonzero) digits is 612360, while the sum is 48.

The spelling of 25693006197 in words is "twenty-five billion, six hundred ninety-three million, six thousand, one hundred ninety-seven".