25484017873 has 16 divisors (see below), whose sum is σ = 26734050000. Its totient is φ = 24261164032.

The previous prime is 25484017829. The next prime is 25484017879. The reversal of 25484017873 is 37871048452.

It can be written as a sum of positive squares in 8 ways, for example, as 146700544 + 25337317329 = 12112^2 + 159177^2 .

It is a cyclic number.

It is not a de Polignac number, because 25484017873 - 2¹⁷ = 25483886801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25484017879) 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, 570453 + ... + 613501.

It is an arithmetic number, because the mean of its divisors is an integer number (1670878125).

Almost surely, 2^25484017873 is an apocalyptic number.

It is an amenable number.

25484017873 is a deficient number, since it is larger than the sum of its proper divisors (1250032127).

25484017873 is a wasteful number, since it uses less digits than its factorization.

25484017873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43364.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 25484017873 in words is "twenty-five billion, four hundred eighty-four million, seventeen thousand, eight hundred seventy-three".