1423144530649 has 2 divisors, whose sum is σ = 1423144530650. Its totient is φ = 1423144530648.

The previous prime is 1423144530629. The next prime is 1423144530653. The reversal of 1423144530649 is 9460354413241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 864448079049 + 558696451600 = 929757^2 + 747460^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423144530649 - 2¹⁵ = 1423144497881 is a prime.

It is a super-2 number, since 2×1423144530649² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1423144530599 and 1423144530608.

It is not a weakly prime, because it can be changed into another prime (1423144530629) 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, 711572265324 + 711572265325.

It is an arithmetic number, because the mean of its divisors is an integer number (711572265325).

Almost surely, 2^{1423144530649} is an apocalyptic number.

It is an amenable number.

1423144530649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423144530649 is an equidigital number, since it uses as much as digits as its factorization.

1423144530649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 1423144530649 in words is "one trillion, four hundred twenty-three billion, one hundred forty-four million, five hundred thirty thousand, six hundred forty-nine".