25714416481 has 4 divisors (see below), whose sum is σ = 27692448532. Its totient is φ = 23736384432.

The previous prime is 25714416463. The next prime is 25714416521. The reversal of 25714416481 is 18461441752.

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 9135536400 + 16578880081 = 95580^2 + 128759^2 .

It is a cyclic number.

It is not a de Polignac number, because 25714416481 - 2¹¹ = 25714414433 is a prime.

It is a super-2 number, since 2×25714416481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25714416451) 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, 989016006 + ... + 989016031.

It is an arithmetic number, because the mean of its divisors is an integer number (6923112133).

Almost surely, 2^25714416481 is an apocalyptic number.

It is an amenable number.

25714416481 is a deficient number, since it is larger than the sum of its proper divisors (1978032051).

25714416481 is a wasteful number, since it uses less digits than its factorization.

25714416481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978032050.

The product of its digits is 215040, while the sum is 43.

The spelling of 25714416481 in words is "twenty-five billion, seven hundred fourteen million, four hundred sixteen thousand, four hundred eighty-one".