1420404663 has 8 divisors (see below), whose sum is σ = 1894046976. Its totient is φ = 946849400.

The previous prime is 1420404653. The next prime is 1420404673. The reversal of 1420404663 is 3664040241.

It is an interprime number because it is at equal distance from previous prime (1420404653) and next prime (1420404673).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1420404663 - 2⁵ = 1420404631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1420404663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420404653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53458 + ... + 75488.

It is an arithmetic number, because the mean of its divisors is an integer number (236755872).

Almost surely, 2^1420404663 is an apocalyptic number.

1420404663 is a deficient number, since it is larger than the sum of its proper divisors (473642313).

1420404663 is a wasteful number, since it uses less digits than its factorization.

1420404663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43525.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 1420404663 is about 37688.2563008691. The cubic root of 1420404663 is about 1124.0976238434.

The spelling of 1420404663 in words is "one billion, four hundred twenty million, four hundred four thousand, six hundred sixty-three".