183836456381 has 2 divisors, whose sum is σ = 183836456382. Its totient is φ = 183836456380.

The previous prime is 183836456371. The next prime is 183836456413. The reversal of 183836456381 is 183654638381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154221144100 + 29615312281 = 392710^2 + 172091^2 .

It is a cyclic number.

It is not a de Polignac number, because 183836456381 - 2⁶ = 183836456317 is a prime.

It is a super-2 number, since 2×183836456381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (183836456371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91918228190 + 91918228191.

It is an arithmetic number, because the mean of its divisors is an integer number (91918228191).

Almost surely, 2^183836456381 is an apocalyptic number.

It is an amenable number.

183836456381 is a deficient number, since it is larger than the sum of its proper divisors (1).

183836456381 is an equidigital number, since it uses as much as digits as its factorization.

183836456381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9953280, while the sum is 56.

The spelling of 183836456381 in words is "one hundred eighty-three billion, eight hundred thirty-six million, four hundred fifty-six thousand, three hundred eighty-one".