25763613009 has 8 divisors (see below), whose sum is σ = 34362135360. Its totient is φ = 17170416336.

The previous prime is 25763612981. The next prime is 25763613041. The reversal of 25763613009 is 90031636752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25763613009 - 2¹³ = 25763604817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25763613049) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1320117 + ... + 1339490.

It is an arithmetic number, because the mean of its divisors is an integer number (4295266920).

Almost surely, 2^25763613009 is an apocalyptic number.

It is an amenable number.

25763613009 is a deficient number, since it is larger than the sum of its proper divisors (8598522351).

25763613009 is a wasteful number, since it uses less digits than its factorization.

25763613009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662839.

The product of its (nonzero) digits is 204120, while the sum is 42.

The spelling of 25763613009 in words is "twenty-five billion, seven hundred sixty-three million, six hundred thirteen thousand, nine".