25206416473 has 16 divisors (see below), whose sum is σ = 30125120256. Its totient is φ = 20621240640.

The previous prime is 25206416471. The next prime is 25206416503. The reversal of 25206416473 is 37461460252.

It is not a de Polignac number, because 25206416473 - 2¹ = 25206416471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25206416471) 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, 95586 + ... + 244027.

It is an arithmetic number, because the mean of its divisors is an integer number (1882820016).

Almost surely, 2^25206416473 is an apocalyptic number.

25206416473 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25206416473 is a deficient number, since it is larger than the sum of its proper divisors (4918703783).

25206416473 is a wasteful number, since it uses less digits than its factorization.

25206416473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340104.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 25206416473 in words is "twenty-five billion, two hundred six million, four hundred sixteen thousand, four hundred seventy-three".