1234455554039 has 2 divisors, whose sum is σ = 1234455554040. Its totient is φ = 1234455554038.

The previous prime is 1234455554027. The next prime is 1234455554077. The reversal of 1234455554039 is 9304555544321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1234455554039 - 2²⁰ = 1234454505463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234455554539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617227777019 + 617227777020.

It is an arithmetic number, because the mean of its divisors is an integer number (617227777020).

Almost surely, 2^{1234455554039} is an apocalyptic number.

1234455554039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234455554039 is an equidigital number, since it uses as much as digits as its factorization.

1234455554039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 1234455554039 in words is "one trillion, two hundred thirty-four billion, four hundred fifty-five million, five hundred fifty-four thousand, thirty-nine".