356119870109 has 4 divisors (see below), whose sum is σ = 368399865660. Its totient is φ = 343839874560.

The previous prime is 356119870097. The next prime is 356119870151. The reversal of 356119870109 is 901078911653.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 901078911653 = 121661 ⋅7406473.

It can be written as a sum of positive squares in 2 ways, for example, as 188879767609 + 167240102500 = 434603^2 + 408950^2 .

It is a cyclic number.

It is not a de Polignac number, because 356119870109 - 2³⁶ = 287400393373 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 (356119870189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6139997732 + ... + 6139997789.

It is an arithmetic number, because the mean of its divisors is an integer number (92099966415).

Almost surely, 2^356119870109 is an apocalyptic number.

It is an amenable number.

356119870109 is a deficient number, since it is larger than the sum of its proper divisors (12279995551).

356119870109 is a wasteful number, since it uses less digits than its factorization.

356119870109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12279995550.

The product of its (nonzero) digits is 408240, while the sum is 50.

The spelling of 356119870109 in words is "three hundred fifty-six billion, one hundred nineteen million, eight hundred seventy thousand, one hundred nine".