349200728575 has 6 divisors (see below), whose sum is σ = 433008903464. Its totient is φ = 279360582840.

The previous prime is 349200728563. The next prime is 349200728621. The reversal of 349200728575 is 575827002943.

It is a happy number.

It is not a de Polignac number, because 349200728575 - 2⁷ = 349200728447 is a prime.

It is a super-2 number, since 2×349200728575² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6984014547 + ... + 6984014596.

Almost surely, 2^349200728575 is an apocalyptic number.

349200728575 is a deficient number, since it is larger than the sum of its proper divisors (83808174889).

349200728575 is a wasteful number, since it uses less digits than its factorization.

349200728575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13968029153 (or 13968029148 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 349200728575 in words is "three hundred forty-nine billion, two hundred million, seven hundred twenty-eight thousand, five hundred seventy-five".