41497356681 has 27 divisors (see below), whose sum is σ = 65895826087. Its totient is φ = 25145838960.

The previous prime is 41497356613. The next prime is 41497356683. The reversal of 41497356681 is 18665379414.

The square root of 41497356681 is 203709.

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

41497356681 is a `hidden beast` number, since 4 + 1 + 4 + 9 + 73 + 566 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 335439225 + 41161917456 = 18315^2 + 202884^2 .

It is not a de Polignac number, because 41497356681 - 2¹⁹ = 41496832393 is a prime.

It is a super-2 number, since 2×41497356681² (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 (41497356683) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 6719311 + ... + 6725483.

Almost surely, 2^41497356681 is an apocalyptic number.

41497356681 is the 203709-th square number.

41497356681 is the 101855-th centered octagonal number.

It is an amenable number.

41497356681 is a deficient number, since it is larger than the sum of its proper divisors (24398469406).

41497356681 is an frugal number, since it uses more digits than its factorization.

41497356681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12374 (or 6187 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 41497356681 in words is "forty-one billion, four hundred ninety-seven million, three hundred fifty-six thousand, six hundred eighty-one".