1982427911 has 2 divisors, whose sum is σ = 1982427912. Its totient is φ = 1982427910.

The previous prime is 1982427893. The next prime is 1982427929. The reversal of 1982427911 is 1197242891.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1982427893) and next prime (1982427929).

It is a cyclic number.

It is not a de Polignac number, because 1982427911 - 2¹⁴ = 1982411527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1982427961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991213955 + 991213956.

It is an arithmetic number, because the mean of its divisors is an integer number (991213956).

Almost surely, 2^1982427911 is an apocalyptic number.

1982427911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1982427911 is an equidigital number, since it uses as much as digits as its factorization.

1982427911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 44.

The square root of 1982427911 is about 44524.4641854341. The cubic root of 1982427911 is about 1256.2202828016.

The spelling of 1982427911 in words is "one billion, nine hundred eighty-two million, four hundred twenty-seven thousand, nine hundred eleven".