25193414349 has 12 divisors (see below), whose sum is σ = 36541488412. Its totient is φ = 16725916800.

The previous prime is 25193414347. The next prime is 25193414353. The reversal of 25193414349 is 94341439152.

25193414349 is a `hidden beast` number, since 2 + 5 + 193 + 414 + 3 + 49 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15254720100 + 9938694249 = 123510^2 + 99693^2 .

It is not a de Polignac number, because 25193414349 - 2¹ = 25193414347 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 (25193414347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5805442 + ... + 5809779.

Almost surely, 2^25193414349 is an apocalyptic number.

It is an amenable number.

25193414349 is a deficient number, since it is larger than the sum of its proper divisors (11348074063).

25193414349 is a wasteful number, since it uses less digits than its factorization.

25193414349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11615468 (or 11615465 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The spelling of 25193414349 in words is "twenty-five billion, one hundred ninety-three million, four hundred fourteen thousand, three hundred forty-nine".