1234067889647 has 2 divisors, whose sum is σ = 1234067889648. Its totient is φ = 1234067889646.

The previous prime is 1234067889581. The next prime is 1234067889653. The reversal of 1234067889647 is 7469887604321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1234067889647 - 2²⁶ = 1234000780783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234067889947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617033944823 + 617033944824.

It is an arithmetic number, because the mean of its divisors is an integer number (617033944824).

Almost surely, 2^{1234067889647} is an apocalyptic number.

1234067889647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234067889647 is an equidigital number, since it uses as much as digits as its factorization.

1234067889647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97542144, while the sum is 65.

The spelling of 1234067889647 in words is "one trillion, two hundred thirty-four billion, sixty-seven million, eight hundred eighty-nine thousand, six hundred forty-seven".