1996411139 has 2 divisors, whose sum is σ = 1996411140. Its totient is φ = 1996411138.

The previous prime is 1996411117. The next prime is 1996411169. The reversal of 1996411139 is 9311146991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1996411139 - 2¹² = 1996407043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1996411139.

It is not a weakly prime, because it can be changed into another prime (1996411169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998205569 + 998205570.

It is an arithmetic number, because the mean of its divisors is an integer number (998205570).

Almost surely, 2^1996411139 is an apocalyptic number.

1996411139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1996411139 is an equidigital number, since it uses as much as digits as its factorization.

1996411139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 44.

The square root of 1996411139 is about 44681.2168477986. The cubic root of 1996411139 is about 1259.1669850894.

The spelling of 1996411139 in words is "one billion, nine hundred ninety-six million, four hundred eleven thousand, one hundred thirty-nine".