349174857492 has 36 divisors (see below), whose sum is σ = 882709318036. Its totient is φ = 116382009600.

The previous prime is 349174857371. The next prime is 349174857553. The reversal of 349174857492 is 294758471943.

349174857492 is a `hidden beast` number, since 3 + 4 + 9 + 17 + 48 + 574 + 9 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 104707899396 + 244466958096 = 323586^2 + 494436^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×349174857492² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48588 + ... + 837084.

Almost surely, 2^349174857492 is an apocalyptic number.

It is an amenable number.

349174857492 is an abundant number, since it is smaller than the sum of its proper divisors (533534460544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349174857492 is a wasteful number, since it uses less digits than its factorization.

349174857492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800808 (or 800803 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 349174857492 in words is "three hundred forty-nine billion, one hundred seventy-four million, eight hundred fifty-seven thousand, four hundred ninety-two".