113603388649 has 2 divisors, whose sum is σ = 113603388650. Its totient is φ = 113603388648.

The previous prime is 113603388643. The next prime is 113603388659. The reversal of 113603388649 is 946883306311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106378388649 + 7225000000 = 326157^2 + 85000^2 .

It is a cyclic number.

It is not a de Polignac number, because 113603388649 - 2²⁹ = 113066517737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113603388596 and 113603388605.

It is not a weakly prime, because it can be changed into another prime (113603388643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56801694324 + 56801694325.

It is an arithmetic number, because the mean of its divisors is an integer number (56801694325).

Almost surely, 2^113603388649 is an apocalyptic number.

It is an amenable number.

113603388649 is a deficient number, since it is larger than the sum of its proper divisors (1).

113603388649 is an equidigital number, since it uses as much as digits as its factorization.

113603388649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 113603388649 in words is "one hundred thirteen billion, six hundred three million, three hundred eighty-eight thousand, six hundred forty-nine".