355128430683 has 16 divisors (see below), whose sum is σ = 512981473536. Its totient is φ = 217231942560.

The previous prime is 355128430663. The next prime is 355128430729. The reversal of 355128430683 is 386034821553.

It is a happy number.

It is not a de Polignac number, because 355128430683 - 2⁸ = 355128430427 is a prime.

It is a super-2 number, since 2×355128430683² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (355128430603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27256533 + ... + 27269558.

It is an arithmetic number, because the mean of its divisors is an integer number (32061342096).

Almost surely, 2^355128430683 is an apocalyptic number.

355128430683 is a deficient number, since it is larger than the sum of its proper divisors (157853042853).

355128430683 is a wasteful number, since it uses less digits than its factorization.

355128430683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54526274.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 355128430683 in words is "three hundred fifty-five billion, one hundred twenty-eight million, four hundred thirty thousand, six hundred eighty-three".