1402447663 has 2 divisors, whose sum is σ = 1402447664. Its totient is φ = 1402447662.

The previous prime is 1402447643. The next prime is 1402447679. The reversal of 1402447663 is 3667442041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1402447663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402447643) 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, 701223831 + 701223832.

It is an arithmetic number, because the mean of its divisors is an integer number (701223832).

Almost surely, 2^1402447663 is an apocalyptic number.

1402447663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402447663 is an equidigital number, since it uses as much as digits as its factorization.

1402447663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 1402447663 is about 37449.2678566618. The cubic root of 1402447663 is about 1119.3405085899.

The spelling of 1402447663 in words is "one billion, four hundred two million, four hundred forty-seven thousand, six hundred sixty-three".