113493393749 has 2 divisors, whose sum is σ = 113493393750. Its totient is φ = 113493393748.

The previous prime is 113493393731. The next prime is 113493393803. The reversal of 113493393749 is 947393394311.

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., 105272344849 + 8221048900 = 324457^2 + 90670^2 .

It is a cyclic number.

It is not a de Polignac number, because 113493393749 - 2²⁰ = 113492345173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113493393694 and 113493393703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113493390749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56746696874 + 56746696875.

It is an arithmetic number, because the mean of its divisors is an integer number (56746696875).

Almost surely, 2^113493393749 is an apocalyptic number.

It is an amenable number.

113493393749 is a deficient number, since it is larger than the sum of its proper divisors (1).

113493393749 is an equidigital number, since it uses as much as digits as its factorization.

113493393749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6613488, while the sum is 56.

The spelling of 113493393749 in words is "one hundred thirteen billion, four hundred ninety-three million, three hundred ninety-three thousand, seven hundred forty-nine".