1925718232871 has 2 divisors, whose sum is σ = 1925718232872. Its totient is φ = 1925718232870.

The previous prime is 1925718232831. The next prime is 1925718232927. The reversal of 1925718232871 is 1782328175291.

It is a happy number.

It is an a-pointer prime, because the next prime (1925718232927) can be obtained adding 1925718232871 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1925718232871 - 2¹⁸ = 1925717970727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1925718232831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962859116435 + 962859116436.

It is an arithmetic number, because the mean of its divisors is an integer number (962859116436).

Almost surely, 2^{1925718232871} is an apocalyptic number.

1925718232871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1925718232871 is an equidigital number, since it uses as much as digits as its factorization.

1925718232871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 56.

The spelling of 1925718232871 in words is "one trillion, nine hundred twenty-five billion, seven hundred eighteen million, two hundred thirty-two thousand, eight hundred seventy-one".