35988479981 has 2 divisors, whose sum is σ = 35988479982. Its totient is φ = 35988479980.

The previous prime is 35988479957. The next prime is 35988480037. The reversal of 35988479981 is 18997488953.

35988479981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30753233956 + 5235246025 = 175366^2 + 72355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35988479981 is a prime.

It is a super-2 number, since 2×35988479981² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35988479921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17994239990 + 17994239991.

It is an arithmetic number, because the mean of its divisors is an integer number (17994239991).

Almost surely, 2^35988479981 is an apocalyptic number.

It is an amenable number.

35988479981 is a deficient number, since it is larger than the sum of its proper divisors (1).

35988479981 is an equidigital number, since it uses as much as digits as its factorization.

35988479981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 156764160, while the sum is 71.

The spelling of 35988479981 in words is "thirty-five billion, nine hundred eighty-eight million, four hundred seventy-nine thousand, nine hundred eighty-one".