356109022309 has 4 divisors (see below), whose sum is σ = 356137723116. Its totient is φ = 356080321504.

The previous prime is 356109022307. The next prime is 356109022391. The reversal of 356109022309 is 903220901653.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37085130625 + 319023891684 = 192575^2 + 564822^2 .

It is a cyclic number.

It is not a de Polignac number, because 356109022309 - 2¹ = 356109022307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356109022303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14331784 + ... + 14356609.

It is an arithmetic number, because the mean of its divisors is an integer number (89034430779).

Almost surely, 2^356109022309 is an apocalyptic number.

It is an amenable number.

356109022309 is a deficient number, since it is larger than the sum of its proper divisors (28700807).

356109022309 is a wasteful number, since it uses less digits than its factorization.

356109022309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28700806.

The product of its (nonzero) digits is 87480, while the sum is 40.

The spelling of 356109022309 in words is "three hundred fifty-six billion, one hundred nine million, twenty-two thousand, three hundred nine".