341563781 has 8 divisors (see below), whose sum is σ = 368600064. Its totient is φ = 314636400.

The previous prime is 341563771. The next prime is 341563801. The reversal of 341563781 is 187365143.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 341563781 - 2¹⁰ = 341562757 is a prime.

It is a super-2 number, since 2×341563781² = 233331632982031922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (341563721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20645 + ... + 33306.

It is an arithmetic number, because the mean of its divisors is an integer number (46075008).

Almost surely, 2^341563781 is an apocalyptic number.

It is an amenable number.

341563781 is a deficient number, since it is larger than the sum of its proper divisors (27036283).

341563781 is a wasteful number, since it uses less digits than its factorization.

341563781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54451.

The product of its digits is 60480, while the sum is 38.

The square root of 341563781 is about 18481.4442346912. Note that the first 3 decimals coincide. The cubic root of 341563781 is about 699.0216134231.

The spelling of 341563781 in words is "three hundred forty-one million, five hundred sixty-three thousand, seven hundred eighty-one".