8190611983 has 2 divisors, whose sum is σ = 8190611984. Its totient is φ = 8190611982.

The previous prime is 8190611969. The next prime is 8190612037. The reversal of 8190611983 is 3891160918.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8190611983 - 2¹⁷ = 8190480911 is a prime.

It is a super-2 number, since 2×8190611983² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8190611963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4095305991 + 4095305992.

It is an arithmetic number, because the mean of its divisors is an integer number (4095305992).

Almost surely, 2^8190611983 is an apocalyptic number.

8190611983 is a deficient number, since it is larger than the sum of its proper divisors (1).

8190611983 is an equidigital number, since it uses as much as digits as its factorization.

8190611983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 46.

The square root of 8190611983 is about 90501.9998839805. Note that the first 3 decimals coincide. The cubic root of 8190611983 is about 2015.7598197658.

The spelling of 8190611983 in words is "eight billion, one hundred ninety million, six hundred eleven thousand, nine hundred eighty-three".