202073121919 has 2 divisors, whose sum is σ = 202073121920. Its totient is φ = 202073121918.

The previous prime is 202073121871. The next prime is 202073121937. The reversal of 202073121919 is 919121370202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202073121919 - 2⁹ = 202073121407 is a prime.

It is a super-2 number, since 2×202073121919² (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 (202073121959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101036560959 + 101036560960.

It is an arithmetic number, because the mean of its divisors is an integer number (101036560960).

Almost surely, 2^202073121919 is an apocalyptic number.

202073121919 is a deficient number, since it is larger than the sum of its proper divisors (1).

202073121919 is an equidigital number, since it uses as much as digits as its factorization.

202073121919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 202073121919 in words is "two hundred two billion, seventy-three million, one hundred twenty-one thousand, nine hundred nineteen".