346674841681 has 45 divisors (see below), whose sum is σ = 427513588971. Its totient is φ = 280302198624.

The previous prime is 346674841621. The next prime is 346674841739. The reversal of 346674841681 is 186148476643.

The square root of 346674841681 is 588791.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 70402662225 + 276272179456 = 265335^2 + 525616^2 .

It is not a de Polignac number, because 346674841681 - 2¹⁵ = 346674808913 is a prime.

It is a super-2 number, since 2×346674841681² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (346674841621) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1487874741 + ... + 1487874973.

Almost surely, 2^346674841681 is an apocalyptic number.

346674841681 is the 588791-st square number.

346674841681 is the 294396-th centered octagonal number.

It is an amenable number.

346674841681 is a deficient number, since it is larger than the sum of its proper divisors (80838747290).

346674841681 is an frugal number, since it uses more digits than its factorization.

346674841681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 259 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 58.

The spelling of 346674841681 in words is "three hundred forty-six billion, six hundred seventy-four million, eight hundred forty-one thousand, six hundred eighty-one".