355035680649 has 48 divisors (see below), whose sum is σ = 554504880384. Its totient is φ = 217604217600.

The previous prime is 355035680567. The next prime is 355035680653. The reversal of 355035680649 is 946086530553.

It is a happy number.

355035680649 is a `hidden beast` number, since 3 + 5 + 503 + 56 + 80 + 6 + 4 + 9 = 666.

It is not a de Polignac number, because 355035680649 - 2¹² = 355035676553 is a prime.

It is a super-2 number, since 2×355035680649² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 355035680595 and 355035680604.

It is not an unprimeable number, because it can be changed into a prime (355035680849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31107754 + ... + 31119164.

It is an arithmetic number, because the mean of its divisors is an integer number (11552185008).

Almost surely, 2^355035680649 is an apocalyptic number.

355035680649 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

355035680649 is a deficient number, since it is larger than the sum of its proper divisors (199469199735).

355035680649 is a wasteful number, since it uses less digits than its factorization.

355035680649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12478 (or 12475 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 54.

The spelling of 355035680649 in words is "three hundred fifty-five billion, thirty-five million, six hundred eighty thousand, six hundred forty-nine".