36743521217 has 64 divisors (see below), whose sum is σ = 45039758400. Its totient is φ = 29634232320.

The previous prime is 36743521201. The next prime is 36743521231. The reversal of 36743521217 is 71212534763.

It is a happy number.

It can be written as a sum of positive squares in 32 ways, for example, as 30192885121 + 6550636096 = 173761^2 + 80936^2 .

It is not a de Polignac number, because 36743521217 - 2⁴ = 36743521201 is a prime.

It is a super-2 number, since 2×36743521217² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36743521237) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21103967 + ... + 21105707.

It is an arithmetic number, because the mean of its divisors is an integer number (703746225).

Almost surely, 2^36743521217 is an apocalyptic number.

36743521217 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

36743521217 is a deficient number, since it is larger than the sum of its proper divisors (8296237183).

36743521217 is a wasteful number, since it uses less digits than its factorization.

36743521217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926.

The product of its digits is 211680, while the sum is 41.

The spelling of 36743521217 in words is "thirty-six billion, seven hundred forty-three million, five hundred twenty-one thousand, two hundred seventeen".