25667742983 has 2 divisors, whose sum is σ = 25667742984. Its totient is φ = 25667742982.

The previous prime is 25667742959. The next prime is 25667743001. The reversal of 25667742983 is 38924776652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25667742983 - 2²⁶ = 25600634119 is a prime.

It is a super-3 number, since 3×25667742983³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25667742913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12833871491 + 12833871492.

It is an arithmetic number, because the mean of its divisors is an integer number (12833871492).

Almost surely, 2^25667742983 is an apocalyptic number.

25667742983 is a deficient number, since it is larger than the sum of its proper divisors (1).

25667742983 is an equidigital number, since it uses as much as digits as its factorization.

25667742983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 59.

The spelling of 25667742983 in words is "twenty-five billion, six hundred sixty-seven million, seven hundred forty-two thousand, nine hundred eighty-three".