1447019421 has 16 divisors (see below), whose sum is σ = 1983483264. Its totient is φ = 937669824.

The previous prime is 1447019393. The next prime is 1447019443. The reversal of 1447019421 is 1249107441.

It is not a de Polignac number, because 1447019421 - 2⁵ = 1447019389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1447019471) 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 15 ways as a sum of consecutive naturals, for example, 115360 + ... + 127286.

It is an arithmetic number, because the mean of its divisors is an integer number (123967704).

Almost surely, 2^1447019421 is an apocalyptic number.

It is an amenable number.

1447019421 is a deficient number, since it is larger than the sum of its proper divisors (536463843).

1447019421 is a wasteful number, since it uses less digits than its factorization.

1447019421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13060.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1447019421 is about 38039.7084768009. The cubic root of 1447019421 is about 1131.0751301954.

The spelling of 1447019421 in words is "one billion, four hundred forty-seven million, nineteen thousand, four hundred twenty-one".