355156948609 has 4 divisors (see below), whose sum is σ = 355163403220. Its totient is φ = 355150494000.

The previous prime is 355156948589. The next prime is 355156948637. The reversal of 355156948609 is 906849651553.

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 273578164209 + 81578784400 = 523047^2 + 285620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355156948609 is a prime.

It is a super-2 number, since 2×355156948609² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355156918609) 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, 3144054 + ... + 3255055.

It is an arithmetic number, because the mean of its divisors is an integer number (88790850805).

Almost surely, 2^355156948609 is an apocalyptic number.

It is an amenable number.

355156948609 is a deficient number, since it is larger than the sum of its proper divisors (6454611).

355156948609 is an equidigital number, since it uses as much as digits as its factorization.

355156948609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6454610.

The product of its (nonzero) digits is 34992000, while the sum is 61.

The spelling of 355156948609 in words is "three hundred fifty-five billion, one hundred fifty-six million, nine hundred forty-eight thousand, six hundred nine".