25020869983 has 2 divisors, whose sum is σ = 25020869984. Its totient is φ = 25020869982.

The previous prime is 25020869969. The next prime is 25020870013. The reversal of 25020869983 is 38996802052.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25020869983 - 2¹³ = 25020861791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25020869983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25020869933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12510434991 + 12510434992.

It is an arithmetic number, because the mean of its divisors is an integer number (12510434992).

Almost surely, 2^25020869983 is an apocalyptic number.

25020869983 is a deficient number, since it is larger than the sum of its proper divisors (1).

25020869983 is an equidigital number, since it uses as much as digits as its factorization.

25020869983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 25020869983 in words is "twenty-five billion, twenty million, eight hundred sixty-nine thousand, nine hundred eighty-three".