1421063847 has 144 divisors (see below), whose sum is σ = 2676136320. Its totient is φ = 721115136.

The previous prime is 1421063821. The next prime is 1421063857. The reversal of 1421063847 is 7483601241.

1421063847 is a `hidden beast` number, since 1 + 4 + 2 + 10 + 638 + 4 + 7 = 666.

It is not a de Polignac number, because 1421063847 - 2¹⁶ = 1420998311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421063857) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 13037229 + ... + 13037337.

It is an arithmetic number, because the mean of its divisors is an integer number (18584280).

Almost surely, 2^1421063847 is an apocalyptic number.

1421063847 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1421063847 is a deficient number, since it is larger than the sum of its proper divisors (1255072473).

1421063847 is a wasteful number, since it uses less digits than its factorization.

1421063847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 1421063847 is about 37697.0005040189. Note that the first 3 decimals coincide. The cubic root of 1421063847 is about 1124.2714880458.

The spelling of 1421063847 in words is "one billion, four hundred twenty-one million, sixty-three thousand, eight hundred forty-seven".