4552354778639 has 2 divisors, whose sum is σ = 4552354778640. Its totient is φ = 4552354778638.

The previous prime is 4552354778533. The next prime is 4552354778659. The reversal of 4552354778639 is 9368774532554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4552354778639 - 2²⁸ = 4552086343183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4552354778659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2276177389319 + 2276177389320.

It is an arithmetic number, because the mean of its divisors is an integer number (2276177389320).

Almost surely, 2^{4552354778639} is an apocalyptic number.

4552354778639 is a deficient number, since it is larger than the sum of its proper divisors (1).

4552354778639 is an equidigital number, since it uses as much as digits as its factorization.

4552354778639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048000, while the sum is 68.

The spelling of 4552354778639 in words is "four trillion, five hundred fifty-two billion, three hundred fifty-four million, seven hundred seventy-eight thousand, six hundred thirty-nine".