354906097069 has 2 divisors, whose sum is σ = 354906097070. Its totient is φ = 354906097068.

The previous prime is 354906097067. The next prime is 354906097081. The reversal of 354906097069 is 960790609453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336444081444 + 18462015625 = 580038^2 + 135875^2 .

It is a cyclic number.

It is not a de Polignac number, because 354906097069 - 2¹ = 354906097067 is a prime.

It is a super-2 number, since 2×354906097069² (a number of 24 digits) contains 22 as substring.

Together with 354906097067, 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 (354906097067) 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, 177453048534 + 177453048535.

It is an arithmetic number, because the mean of its divisors is an integer number (177453048535).

Almost surely, 2^354906097069 is an apocalyptic number.

It is an amenable number.

354906097069 is a deficient number, since it is larger than the sum of its proper divisors (1).

354906097069 is an equidigital number, since it uses as much as digits as its factorization.

354906097069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11022480, while the sum is 58.

The spelling of 354906097069 in words is "three hundred fifty-four billion, nine hundred six million, ninety-seven thousand, sixty-nine".