349469526847 has 16 divisors (see below), whose sum is σ = 424265022720. Its totient is φ = 281006644608.

The previous prime is 349469526817. The next prime is 349469526851. The reversal of 349469526847 is 748625964943.

It is not a de Polignac number, because 349469526847 - 2³¹ = 347322043199 is a prime.

It is a super-2 number, since 2×349469526847² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349469526817) 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, 4746397 + ... + 4819462.

It is an arithmetic number, because the mean of its divisors is an integer number (26516563920).

Almost surely, 2^349469526847 is an apocalyptic number.

349469526847 is a deficient number, since it is larger than the sum of its proper divisors (74795495873).

349469526847 is a wasteful number, since it uses less digits than its factorization.

349469526847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9566190.

The product of its digits is 313528320, while the sum is 67.

The spelling of 349469526847 in words is "three hundred forty-nine billion, four hundred sixty-nine million, five hundred twenty-six thousand, eight hundred forty-seven".