18935245809325 has 12 divisors (see below), whose sum is σ = 23479790813280. Its totient is φ = 15148141157360.

The previous prime is 18935245809307. The next prime is 18935245809331. The reversal of 18935245809325 is 52390854253981.

It is not a de Polignac number, because 18935245809325 - 2¹¹ = 18935245807277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6439896 + ... + 8907454.

It is an arithmetic number, because the mean of its divisors is an integer number (1956649234440).

Almost surely, 2^{18935245809325} is an apocalyptic number.

It is an amenable number.

18935245809325 is a deficient number, since it is larger than the sum of its proper divisors (4544545003955).

18935245809325 is a wasteful number, since it uses less digits than its factorization.

18935245809325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774516 (or 2774511 counting only the distinct ones).

The product of its (nonzero) digits is 93312000, while the sum is 64.

The spelling of 18935245809325 in words is "eighteen trillion, nine hundred thirty-five billion, two hundred forty-five million, eight hundred nine thousand, three hundred twenty-five".