1840051663 has 2 divisors, whose sum is σ = 1840051664. Its totient is φ = 1840051662.

The previous prime is 1840051643. The next prime is 1840051667. The reversal of 1840051663 is 3661500481.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1840051663 - 2²⁹ = 1303180751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1840051667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 920025831 + 920025832.

It is an arithmetic number, because the mean of its divisors is an integer number (920025832).

Almost surely, 2^1840051663 is an apocalyptic number.

1840051663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1840051663 is an equidigital number, since it uses as much as digits as its factorization.

1840051663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1840051663 is about 42895.8233747762. The cubic root of 1840051663 is about 1225.3966036109.

The spelling of 1840051663 in words is "one billion, eight hundred forty million, fifty-one thousand, six hundred sixty-three".