25269783973 has 24 divisors (see below), whose sum is σ = 29940321600. Its totient is φ = 21261860928.

The previous prime is 25269783971. The next prime is 25269783997. The reversal of 25269783973 is 37938796252.

It is not a de Polignac number, because 25269783973 - 2¹ = 25269783971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25269783971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 585336 + ... + 627022.

It is an arithmetic number, because the mean of its divisors is an integer number (1247513400).

Almost surely, 2^25269783973 is an apocalyptic number.

It is an amenable number.

25269783973 is a deficient number, since it is larger than the sum of its proper divisors (4670537627).

25269783973 is a wasteful number, since it uses less digits than its factorization.

25269783973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41929 (or 41922 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 61.

The spelling of 25269783973 in words is "twenty-five billion, two hundred sixty-nine million, seven hundred eighty-three thousand, nine hundred seventy-three".