2153838983903 has 2 divisors, whose sum is σ = 2153838983904. Its totient is φ = 2153838983902.

The previous prime is 2153838983893. The next prime is 2153838983909. The reversal of 2153838983903 is 3093898383512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2153838983903 - 2⁶ = 2153838983839 is a prime.

It is a super-2 number, since 2×2153838983903² (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 (2153838983909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076919491951 + 1076919491952.

It is an arithmetic number, because the mean of its divisors is an integer number (1076919491952).

Almost surely, 2^{2153838983903} is an apocalyptic number.

2153838983903 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153838983903 is an equidigital number, since it uses as much as digits as its factorization.

2153838983903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33592320, while the sum is 62.

The spelling of 2153838983903 in words is "two trillion, one hundred fifty-three billion, eight hundred thirty-eight million, nine hundred eighty-three thousand, nine hundred three".