25833977019 has 24 divisors (see below), whose sum is σ = 41590308240. Its totient is φ = 15356418048.

The previous prime is 25833977017. The next prime is 25833977027. The reversal of 25833977019 is 91077933852.

It is not a de Polignac number, because 25833977019 - 2¹ = 25833977017 is a prime.

It is a super-2 number, since 2×25833977019² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25833977017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4440502 + ... + 4446315.

It is an arithmetic number, because the mean of its divisors is an integer number (1732929510).

Almost surely, 2^25833977019 is an apocalyptic number.

25833977019 is a deficient number, since it is larger than the sum of its proper divisors (15756331221).

25833977019 is a wasteful number, since it uses less digits than its factorization.

25833977019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8886859 (or 8886856 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The spelling of 25833977019 in words is "twenty-five billion, eight hundred thirty-three million, nine hundred seventy-seven thousand, nineteen".