25928963153 has 4 divisors (see below), whose sum is σ = 25930934628. Its totient is φ = 25926991680.

The previous prime is 25928963143. The next prime is 25928963161. The reversal of 25928963153 is 35136982952.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12129057424 + 13799905729 = 110132^2 + 117473^2 .

It is a cyclic number.

It is not a de Polignac number, because 25928963153 - 2¹⁸ = 25928701009 is a prime.

It is a super-2 number, since 2×25928963153² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25928963095 and 25928963104.

It is not an unprimeable number, because it can be changed into a prime (25928963143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 965876 + ... + 992357.

It is an arithmetic number, because the mean of its divisors is an integer number (6482733657).

Almost surely, 2^25928963153 is an apocalyptic number.

It is an amenable number.

25928963153 is a deficient number, since it is larger than the sum of its proper divisors (1971475).

25928963153 is a wasteful number, since it uses less digits than its factorization.

25928963153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971474.

The product of its digits is 3499200, while the sum is 53.

The spelling of 25928963153 in words is "twenty-five billion, nine hundred twenty-eight million, nine hundred sixty-three thousand, one hundred fifty-three".