355374242473553 has 4 divisors (see below), whose sum is σ = 355382963140608. Its totient is φ = 355365521806500.

The previous prime is 355374242473513. The next prime is 355374242473577.

355374242473553 is nontrivially palindromic in base 10.

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 355374242473553 - 2⁶ = 355374242473489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355374242473513) 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, 4360272401 + ... + 4360353902.

It is an arithmetic number, because the mean of its divisors is an integer number (88845740785152).

Almost surely, 2^{355374242473553} is an apocalyptic number.

It is an amenable number.

355374242473553 is a deficient number, since it is larger than the sum of its proper divisors (8720667055).

355374242473553 is an equidigital number, since it uses as much as digits as its factorization.

355374242473553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8720667054.

The product of its digits is 635040000, while the sum is 62.

The spelling of 355374242473553 in words is "three hundred fifty-five trillion, three hundred seventy-four billion, two hundred forty-two million, four hundred seventy-three thousand, five hundred fifty-three".