1421473163 has 32 divisors (see below), whose sum is σ = 1758412800. Its totient is φ = 1133114400.

The previous prime is 1421473159. The next prime is 1421473177. The reversal of 1421473163 is 3613741241.

It is not a de Polignac number, because 1421473163 - 2² = 1421473159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421473153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144248 + ... + 153786.

It is an arithmetic number, because the mean of its divisors is an integer number (54950400).

Almost surely, 2^1421473163 is an apocalyptic number.

1421473163 is a deficient number, since it is larger than the sum of its proper divisors (336939637).

1421473163 is a wasteful number, since it uses less digits than its factorization.

1421473163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9623.

The product of its digits is 12096, while the sum is 32.

The square root of 1421473163 is about 37702.4291392478. The cubic root of 1421473163 is about 1124.3794208300.

The spelling of 1421473163 in words is "one billion, four hundred twenty-one million, four hundred seventy-three thousand, one hundred sixty-three".