355056420653 has 4 divisors (see below), whose sum is σ = 387334277088. Its totient is φ = 322778564220.

The previous prime is 355056420601. The next prime is 355056420673. The reversal of 355056420653 is 356024650553.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 355056420653 - 2³⁶ = 286336943917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355056420673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16138928201 + ... + 16138928222.

It is an arithmetic number, because the mean of its divisors is an integer number (96833569272).

Almost surely, 2^355056420653 is an apocalyptic number.

It is an amenable number.

355056420653 is a deficient number, since it is larger than the sum of its proper divisors (32277856435).

355056420653 is a wasteful number, since it uses less digits than its factorization.

355056420653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32277856434.

The product of its (nonzero) digits is 1620000, while the sum is 44.

The spelling of 355056420653 in words is "three hundred fifty-five billion, fifty-six million, four hundred twenty thousand, six hundred fifty-three".