1242767464453 has 2 divisors, whose sum is σ = 1242767464454. Its totient is φ = 1242767464452.

The previous prime is 1242767464447. The next prime is 1242767464481. The reversal of 1242767464453 is 3544647672421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1110648300129 + 132119164324 = 1053873^2 + 363482^2 .

It is a cyclic number.

It is not a de Polignac number, because 1242767464453 - 2²¹ = 1242765367301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1242767464394 and 1242767464403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1242767434453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621383732226 + 621383732227.

It is an arithmetic number, because the mean of its divisors is an integer number (621383732227).

Almost surely, 2^{1242767464453} is an apocalyptic number.

It is an amenable number.

1242767464453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242767464453 is an equidigital number, since it uses as much as digits as its factorization.

1242767464453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27095040, while the sum is 55.

The spelling of 1242767464453 in words is "one trillion, two hundred forty-two billion, seven hundred sixty-seven million, four hundred sixty-four thousand, four hundred fifty-three".