34580749681 has 3 divisors (see below), whose sum is σ = 34580935641. Its totient is φ = 34580563722.

The previous prime is 34580749639. The next prime is 34580749727. The reversal of 34580749681 is 18694708543.

The square root of 34580749681 is 185959.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 18694708543 = 7 ⋅2670672649.

It is not a de Polignac number, because 34580749681 - 2¹¹ = 34580747633 is a prime.

It is a super-2 number, since 2×34580749681² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34580747681) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 92980 + ... + 278938.

It is an arithmetic number, because the mean of its divisors is an integer number (11526978547).

Almost surely, 2^34580749681 is an apocalyptic number.

34580749681 is the 185959-th square number.

34580749681 is the 92980-th centered octagonal number.

It is an amenable number.

34580749681 is a deficient number, since it is larger than the sum of its proper divisors (185960).

34580749681 is an frugal number, since it uses more digits than its factorization.

34580749681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371918 (or 185959 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 34580749681 in words is "thirty-four billion, five hundred eighty million, seven hundred forty-nine thousand, six hundred eighty-one".