349356521541 has 16 divisors (see below), whose sum is σ = 481006684160. Its totient is φ = 225310725360.

The previous prime is 349356521531. The next prime is 349356521641. The reversal of 349356521541 is 145125653943.

It is not a de Polignac number, because 349356521541 - 2¹⁰ = 349356520517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349356521531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409411 + ... + 930768.

It is an arithmetic number, because the mean of its divisors is an integer number (30062917760).

Almost surely, 2^349356521541 is an apocalyptic number.

349356521541 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

349356521541 is a deficient number, since it is larger than the sum of its proper divisors (131650162619).

349356521541 is a wasteful number, since it uses less digits than its factorization.

349356521541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343016.

The product of its digits is 1944000, while the sum is 48.

The spelling of 349356521541 in words is "three hundred forty-nine billion, three hundred fifty-six million, five hundred twenty-one thousand, five hundred forty-one".