36641999241 has 15 divisors (see below), whose sum is σ = 54739387351. Its totient is φ = 24426850968.

The previous prime is 36641999221. The next prime is 36641999369. The reversal of 36641999241 is 14299914663.

It is a happy number.

The square root of 36641999241 is 191421.

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

36641999241 is a `hidden beast` number, since 366 + 4 + 199 + 92 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21439109241 + 15202890000 = 146421^2 + 123300^2 .

It is not a de Polignac number, because 36641999241 - 2⁷ = 36641999113 is a prime.

It is a super-2 number, since 2×36641999241² (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 (36641999221) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1712155 + ... + 1733423.

Almost surely, 2^36641999241 is an apocalyptic number.

36641999241 is the 191421-st square number.

36641999241 is the 95711-st centered octagonal number.

It is an amenable number.

36641999241 is a deficient number, since it is larger than the sum of its proper divisors (18097388110).

36641999241 is an frugal number, since it uses more digits than its factorization.

36641999241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42550 (or 21272 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The spelling of 36641999241 in words is "thirty-six billion, six hundred forty-one million, nine hundred ninety-nine thousand, two hundred forty-one".