25630985093 has 8 divisors (see below), whose sum is σ = 29431383360. Its totient is φ = 21865294080.

The previous prime is 25630985089. The next prime is 25630985141. The reversal of 25630985093 is 39058903652.

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

It is not a de Polignac number, because 25630985093 - 2² = 25630985089 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 (25630985033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8675228 + ... + 8678181.

It is an arithmetic number, because the mean of its divisors is an integer number (3678922920).

Almost surely, 2^25630985093 is an apocalyptic number.

It is an amenable number.

25630985093 is a deficient number, since it is larger than the sum of its proper divisors (3800398267).

25630985093 is a wasteful number, since it uses less digits than its factorization.

25630985093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17353627.

The product of its (nonzero) digits is 1749600, while the sum is 50.

The spelling of 25630985093 in words is "twenty-five billion, six hundred thirty million, nine hundred eighty-five thousand, ninety-three".