1873813201933 has 2 divisors, whose sum is σ = 1873813201934. Its totient is φ = 1873813201932.

The previous prime is 1873813201879. The next prime is 1873813201937. The reversal of 1873813201933 is 3391023183781.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1733111691529 + 140701510404 = 1316477^2 + 375102^2 .

It is a cyclic number.

It is not a de Polignac number, because 1873813201933 - 2²⁵ = 1873779647501 is a prime.

It is a super-2 number, since 2×1873813201933² (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 (1873813201937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 936906600966 + 936906600967.

It is an arithmetic number, because the mean of its divisors is an integer number (936906600967).

Almost surely, 2^{1873813201933} is an apocalyptic number.

It is an amenable number.

1873813201933 is a deficient number, since it is larger than the sum of its proper divisors (1).

1873813201933 is an equidigital number, since it uses as much as digits as its factorization.

1873813201933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 1873813201933 in words is "one trillion, eight hundred seventy-three billion, eight hundred thirteen million, two hundred one thousand, nine hundred thirty-three".