1424868161 has 2 divisors, whose sum is σ = 1424868162. Its totient is φ = 1424868160.

The previous prime is 1424868157. The next prime is 1424868169. The reversal of 1424868161 is 1618684241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1216614400 + 208253761 = 34880^2 + 14431^2 .

It is an emirp because it is prime and its reverse (1618684241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1424868161 - 2² = 1424868157 is a prime.

It is not a weakly prime, because it can be changed into another prime (1424868169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712434080 + 712434081.

It is an arithmetic number, because the mean of its divisors is an integer number (712434081).

Almost surely, 2^1424868161 is an apocalyptic number.

It is an amenable number.

1424868161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424868161 is an equidigital number, since it uses as much as digits as its factorization.

1424868161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 41.

The square root of 1424868161 is about 37747.4258857475. The cubic root of 1424868161 is about 1125.2738522788.

The spelling of 1424868161 in words is "one billion, four hundred twenty-four million, eight hundred sixty-eight thousand, one hundred sixty-one".