113404337909 has 2 divisors, whose sum is σ = 113404337910. Its totient is φ = 113404337908.

The previous prime is 113404337833. The next prime is 113404337989. The reversal of 113404337909 is 909733404311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110058062500 + 3346275409 = 331750^2 + 57847^2 .

It is a cyclic number.

It is not a de Polignac number, because 113404337909 - 2¹² = 113404333813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113404337909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113404337989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56702168954 + 56702168955.

It is an arithmetic number, because the mean of its divisors is an integer number (56702168955).

Almost surely, 2^113404337909 is an apocalyptic number.

It is an amenable number.

113404337909 is a deficient number, since it is larger than the sum of its proper divisors (1).

113404337909 is an equidigital number, since it uses as much as digits as its factorization.

113404337909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 44.

The spelling of 113404337909 in words is "one hundred thirteen billion, four hundred four million, three hundred thirty-seven thousand, nine hundred nine".