1996884451 has 2 divisors, whose sum is σ = 1996884452. Its totient is φ = 1996884450.

The previous prime is 1996884391. The next prime is 1996884457. The reversal of 1996884451 is 1544886991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1996884451 - 2¹¹ = 1996882403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1996884392 and 1996884401.

It is not a weakly prime, because it can be changed into another prime (1996884457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998442225 + 998442226.

It is an arithmetic number, because the mean of its divisors is an integer number (998442226).

Almost surely, 2^1996884451 is an apocalyptic number.

1996884451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1996884451 is an equidigital number, since it uses as much as digits as its factorization.

1996884451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 55.

The square root of 1996884451 is about 44686.5130772138. The cubic root of 1996884451 is about 1259.2664855948.

The spelling of 1996884451 in words is "one billion, nine hundred ninety-six million, eight hundred eighty-four thousand, four hundred fifty-one".