8083916137421 has 2 divisors, whose sum is σ = 8083916137422. Its totient is φ = 8083916137420.

The previous prime is 8083916137417. The next prime is 8083916137459. The reversal of 8083916137421 is 1247316193808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5454961963396 + 2628954174025 = 2335586^2 + 1621405^2 .

It is a cyclic number.

It is not a de Polignac number, because 8083916137421 - 2² = 8083916137417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8083916137481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4041958068710 + 4041958068711.

It is an arithmetic number, because the mean of its divisors is an integer number (4041958068711).

Almost surely, 2^{8083916137421} is an apocalyptic number.

It is an amenable number.

8083916137421 is a deficient number, since it is larger than the sum of its proper divisors (1).

8083916137421 is an equidigital number, since it uses as much as digits as its factorization.

8083916137421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 8083916137421 in words is "eight trillion, eighty-three billion, nine hundred sixteen million, one hundred thirty-seven thousand, four hundred twenty-one".