2051400443 has 2 divisors, whose sum is σ = 2051400444. Its totient is φ = 2051400442.

The previous prime is 2051400431. The next prime is 2051400451. The reversal of 2051400443 is 3440041502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2051400443 - 2¹⁴ = 2051384059 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2051400413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025700221 + 1025700222.

It is an arithmetic number, because the mean of its divisors is an integer number (1025700222).

Almost surely, 2^2051400443 is an apocalyptic number.

2051400443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051400443 is an equidigital number, since it uses as much as digits as its factorization.

2051400443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2051400443 is about 45292.3883561024. The cubic root of 2051400443 is about 1270.6233001759.

Adding to 2051400443 its reverse (3440041502), we get a palindrome (5491441945).

The spelling of 2051400443 in words is "two billion, fifty-one million, four hundred thousand, four hundred forty-three".