25295673073 has 16 divisors (see below), whose sum is σ = 29226718080. Its totient is φ = 21637292800.

The previous prime is 25295673031. The next prime is 25295673097. The reversal of 25295673073 is 37037659252.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25295673073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25295673373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 728988 + ... + 762898.

It is an arithmetic number, because the mean of its divisors is an integer number (1826669880).

Almost surely, 2^25295673073 is an apocalyptic number.

It is an amenable number.

25295673073 is a deficient number, since it is larger than the sum of its proper divisors (3931045007).

25295673073 is a wasteful number, since it uses less digits than its factorization.

25295673073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37928.

The product of its (nonzero) digits is 2381400, while the sum is 49.

The spelling of 25295673073 in words is "twenty-five billion, two hundred ninety-five million, six hundred seventy-three thousand, seventy-three".