113204256493 has 2 divisors, whose sum is σ = 113204256494. Its totient is φ = 113204256492.

The previous prime is 113204256491. The next prime is 113204256553. The reversal of 113204256493 is 394652402311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77285668009 + 35918588484 = 278003^2 + 189522^2 .

It is a cyclic number.

It is not a de Polignac number, because 113204256493 - 2¹ = 113204256491 is a prime.

Together with 113204256491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113204256491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56602128246 + 56602128247.

It is an arithmetic number, because the mean of its divisors is an integer number (56602128247).

Almost surely, 2^113204256493 is an apocalyptic number.

It is an amenable number.

113204256493 is a deficient number, since it is larger than the sum of its proper divisors (1).

113204256493 is an equidigital number, since it uses as much as digits as its factorization.

113204256493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 113204256493 in words is "one hundred thirteen billion, two hundred four million, two hundred fifty-six thousand, four hundred ninety-three".