1833740882381 has 2 divisors, whose sum is σ = 1833740882382. Its totient is φ = 1833740882380.

The previous prime is 1833740882333. The next prime is 1833740882387. The reversal of 1833740882381 is 1832880473381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1651147900900 + 182592981481 = 1284970^2 + 427309^2 .

It is an emirp because it is prime and its reverse (1832880473381) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1833740882381 is a prime.

It is a super-2 number, since 2×1833740882381² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1833740882387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 916870441190 + 916870441191.

It is an arithmetic number, because the mean of its divisors is an integer number (916870441191).

Almost surely, 2^{1833740882381} is an apocalyptic number.

It is an amenable number.

1833740882381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1833740882381 is an equidigital number, since it uses as much as digits as its factorization.

1833740882381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 1833740882381 in words is "one trillion, eight hundred thirty-three billion, seven hundred forty million, eight hundred eighty-two thousand, three hundred eighty-one".