1398435063 has 4 divisors (see below), whose sum is σ = 1864580088. Its totient is φ = 932290040.

The previous prime is 1398435043. The next prime is 1398435139. The reversal of 1398435063 is 3605348931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1398435063 - 2¹² = 1398430967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1398435023) 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 in 3 ways as a sum of consecutive naturals, for example, 233072508 + ... + 233072513.

It is an arithmetic number, because the mean of its divisors is an integer number (466145022).

Almost surely, 2^1398435063 is an apocalyptic number.

1398435063 is a deficient number, since it is larger than the sum of its proper divisors (466145025).

1398435063 is an equidigital number, since it uses as much as digits as its factorization.

1398435063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466145024.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 1398435063 is about 37395.6556701444. The cubic root of 1398435063 is about 1118.2719586452.

The spelling of 1398435063 in words is "one billion, three hundred ninety-eight million, four hundred thirty-five thousand, sixty-three".