354109787089 has 2 divisors, whose sum is σ = 354109787090. Its totient is φ = 354109787088.

The previous prime is 354109787081. The next prime is 354109787131. The reversal of 354109787089 is 980787901453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 352251746064 + 1858041025 = 593508^2 + 43105^2 .

It is a cyclic number.

It is not a de Polignac number, because 354109787089 - 2³ = 354109787081 is a prime.

It is a super-2 number, since 2×354109787089² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (354109787081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177054893544 + 177054893545.

It is an arithmetic number, because the mean of its divisors is an integer number (177054893545).

Almost surely, 2^354109787089 is an apocalyptic number.

It is an amenable number.

354109787089 is a deficient number, since it is larger than the sum of its proper divisors (1).

354109787089 is an equidigital number, since it uses as much as digits as its factorization.

354109787089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15240960, while the sum is 61.

The spelling of 354109787089 in words is "three hundred fifty-four billion, one hundred nine million, seven hundred eighty-seven thousand, eighty-nine".