1421846747 has 2 divisors, whose sum is σ = 1421846748. Its totient is φ = 1421846746.

The previous prime is 1421846719. The next prime is 1421846753. The reversal of 1421846747 is 7476481241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1421846747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1421846698 and 1421846707.

It is not a weakly prime, because it can be changed into another prime (1421846947) 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 as a sum of consecutive naturals, namely, 710923373 + 710923374.

It is an arithmetic number, because the mean of its divisors is an integer number (710923374).

Almost surely, 2^1421846747 is an apocalyptic number.

1421846747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421846747 is an equidigital number, since it uses as much as digits as its factorization.

1421846747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 301056, while the sum is 44.

The square root of 1421846747 is about 37707.3831895028. The cubic root of 1421846747 is about 1124.4779133375.

The spelling of 1421846747 in words is "one billion, four hundred twenty-one million, eight hundred forty-six thousand, seven hundred forty-seven".