354679542839 has 2 divisors, whose sum is σ = 354679542840. Its totient is φ = 354679542838.

The previous prime is 354679542829. The next prime is 354679542923. The reversal of 354679542839 is 938245976453.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354679542839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354679542829) 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, 177339771419 + 177339771420.

It is an arithmetic number, because the mean of its divisors is an integer number (177339771420).

Almost surely, 2^354679542839 is an apocalyptic number.

354679542839 is a deficient number, since it is larger than the sum of its proper divisors (1).

354679542839 is an equidigital number, since it uses as much as digits as its factorization.

354679542839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 195955200, while the sum is 65.

The spelling of 354679542839 in words is "three hundred fifty-four billion, six hundred seventy-nine million, five hundred forty-two thousand, eight hundred thirty-nine".