1050781663 has 2 divisors, whose sum is σ = 1050781664. Its totient is φ = 1050781662.

The previous prime is 1050781651. The next prime is 1050781709. The reversal of 1050781663 is 3661870501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1050781663 - 2¹⁷ = 1050650591 is a prime.

It is a super-2 number, since 2×1050781663² = 2208284206594091138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1050781163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525390831 + 525390832.

It is an arithmetic number, because the mean of its divisors is an integer number (525390832).

Almost surely, 2^1050781663 is an apocalyptic number.

1050781663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050781663 is an equidigital number, since it uses as much as digits as its factorization.

1050781663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 1050781663 is about 32415.7625700831. The cubic root of 1050781663 is about 1016.6485099448.

The spelling of 1050781663 in words is "one billion, fifty million, seven hundred eighty-one thousand, six hundred sixty-three".