25344945385473 has 48 divisors (see below), whose sum is σ = 39810823618560. Its totient is φ = 14298531156000.

The previous prime is 25344945385453. The next prime is 25344945385477. The reversal of 25344945385473 is 37458354944352.

It is not a de Polignac number, because 25344945385473 - 2¹⁴ = 25344945369089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25344945385477) 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 47 ways as a sum of consecutive naturals, for example, 193302528 + ... + 193433598.

It is an arithmetic number, because the mean of its divisors is an integer number (829392158720).

Almost surely, 2^{25344945385473} is an apocalyptic number.

It is an amenable number.

25344945385473 is a deficient number, since it is larger than the sum of its proper divisors (14465878233087).

25344945385473 is a wasteful number, since it uses less digits than its factorization.

25344945385473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147818 (or 147811 counting only the distinct ones).

The product of its digits is 870912000, while the sum is 66.

The spelling of 25344945385473 in words is "twenty-five trillion, three hundred forty-four billion, nine hundred forty-five million, three hundred eighty-five thousand, four hundred seventy-three".