1402688663 has 2 divisors, whose sum is σ = 1402688664. Its totient is φ = 1402688662.

The previous prime is 1402688653. The next prime is 1402688689. The reversal of 1402688663 is 3668862041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1402688663 - 2⁴ = 1402688647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402688653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701344331 + 701344332.

It is an arithmetic number, because the mean of its divisors is an integer number (701344332).

Almost surely, 2^1402688663 is an apocalyptic number.

1402688663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402688663 is an equidigital number, since it uses as much as digits as its factorization.

1402688663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 1402688663 is about 37452.4854048433. The cubic root of 1402688663 is about 1119.4046216448.

The spelling of 1402688663 in words is "one billion, four hundred two million, six hundred eighty-eight thousand, six hundred sixty-three".