348042388553 has 4 divisors (see below), whose sum is σ = 350126474880. Its totient is φ = 345958302228.

The previous prime is 348042388537. The next prime is 348042388559. The reversal of 348042388553 is 355883240843.

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 348042388553 - 2⁴ = 348042388537 is a prime.

It is a super-2 number, since 2×348042388553² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 348042388495 and 348042388504.

It is not an unprimeable number, because it can be changed into a prime (348042388559) 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, 1042042913 + ... + 1042043246.

It is an arithmetic number, because the mean of its divisors is an integer number (87531618720).

Almost surely, 2^348042388553 is an apocalyptic number.

It is an amenable number.

348042388553 is a deficient number, since it is larger than the sum of its proper divisors (2084086327).

348042388553 is a wasteful number, since it uses less digits than its factorization.

348042388553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084086326.

The product of its (nonzero) digits is 11059200, while the sum is 53.

The spelling of 348042388553 in words is "three hundred forty-eight billion, forty-two million, three hundred eighty-eight thousand, five hundred fifty-three".