108570698981 has 2 divisors, whose sum is σ = 108570698982. Its totient is φ = 108570698980.

The previous prime is 108570698959. The next prime is 108570698987. The reversal of 108570698981 is 189896075801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100483294081 + 8087404900 = 316991^2 + 89930^2 .

It is a cyclic number.

It is not a de Polignac number, because 108570698981 - 2¹⁸ = 108570436837 is a prime.

It is a super-2 number, since 2×108570698981² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108570698987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54285349490 + 54285349491.

It is an arithmetic number, because the mean of its divisors is an integer number (54285349491).

Almost surely, 2^108570698981 is an apocalyptic number.

It is an amenable number.

108570698981 is a deficient number, since it is larger than the sum of its proper divisors (1).

108570698981 is an equidigital number, since it uses as much as digits as its factorization.

108570698981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 62.

The spelling of 108570698981 in words is "one hundred eight billion, five hundred seventy million, six hundred ninety-eight thousand, nine hundred eighty-one".