1068555461947 has 2 divisors, whose sum is σ = 1068555461948. Its totient is φ = 1068555461946.

The previous prime is 1068555461933. The next prime is 1068555462011. The reversal of 1068555461947 is 7491645558601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1068555461947 - 2¹¹ = 1068555459899 is a prime.

It is a super-2 number, since 2×1068555461947² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1068555461647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534277730973 + 534277730974.

It is an arithmetic number, because the mean of its divisors is an integer number (534277730974).

Almost surely, 2^{1068555461947} is an apocalyptic number.

1068555461947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068555461947 is an equidigital number, since it uses as much as digits as its factorization.

1068555461947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288000, while the sum is 61.

The spelling of 1068555461947 in words is "one trillion, sixty-eight billion, five hundred fifty-five million, four hundred sixty-one thousand, nine hundred forty-seven".