113019949969 has 2 divisors, whose sum is σ = 113019949970. Its totient is φ = 113019949968.

The previous prime is 113019949957. The next prime is 113019949981. The reversal of 113019949969 is 969949910311.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (113019949957) and next prime (113019949981).

It can be written as a sum of positive squares in only one way, i.e., 70656019344 + 42363930625 = 265812^2 + 205825^2 .

It is a cyclic number.

It is not a de Polignac number, because 113019949969 - 2¹⁹ = 113019425681 is a prime.

It is a super-4 number, since 4×113019949969⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (113019949909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56509974984 + 56509974985.

It is an arithmetic number, because the mean of its divisors is an integer number (56509974985).

Almost surely, 2^113019949969 is an apocalyptic number.

It is an amenable number.

113019949969 is a deficient number, since it is larger than the sum of its proper divisors (1).

113019949969 is an equidigital number, since it uses as much as digits as its factorization.

113019949969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4251528, while the sum is 61.

The spelling of 113019949969 in words is "one hundred thirteen billion, nineteen million, nine hundred forty-nine thousand, nine hundred sixty-nine".