1421479841 has 2 divisors, whose sum is σ = 1421479842. Its totient is φ = 1421479840.

The previous prime is 1421479819. The next prime is 1421479877. The reversal of 1421479841 is 1489741241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1231729216 + 189750625 = 35096^2 + 13775^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421479841 - 2⁶ = 1421479777 is a prime.

It is not a weakly prime, because it can be changed into another prime (1421478841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710739920 + 710739921.

It is an arithmetic number, because the mean of its divisors is an integer number (710739921).

Almost surely, 2^1421479841 is an apocalyptic number.

It is an amenable number.

1421479841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421479841 is an equidigital number, since it uses as much as digits as its factorization.

1421479841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 41.

The square root of 1421479841 is about 37702.5177010767. The cubic root of 1421479841 is about 1124.3811815841.

The spelling of 1421479841 in words is "one billion, four hundred twenty-one million, four hundred seventy-nine thousand, eight hundred forty-one".