354089517109 has 2 divisors, whose sum is σ = 354089517110. Its totient is φ = 354089517108.

The previous prime is 354089517107. The next prime is 354089517127. The reversal of 354089517109 is 901715980453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 354080932209 + 8584900 = 595047^2 + 2930^2 .

It is a cyclic number.

It is not a de Polignac number, because 354089517109 - 2¹ = 354089517107 is a prime.

It is a super-2 number, since 2×354089517109² (a number of 24 digits) contains 22 as substring.

Together with 354089517107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354089517107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177044758554 + 177044758555.

It is an arithmetic number, because the mean of its divisors is an integer number (177044758555).

Almost surely, 2^354089517109 is an apocalyptic number.

It is an amenable number.

354089517109 is a deficient number, since it is larger than the sum of its proper divisors (1).

354089517109 is an equidigital number, since it uses as much as digits as its factorization.

354089517109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 52.

The spelling of 354089517109 in words is "three hundred fifty-four billion, eighty-nine million, five hundred seventeen thousand, one hundred nine".