36521406243 has 12 divisors (see below), whose sum is σ = 60289305648. Its totient is φ = 20869374960.

The previous prime is 36521406239. The next prime is 36521406277. The reversal of 36521406243 is 34260412563.

36521406243 is a `hidden beast` number, since 3 + 6 + 5 + 2 + 1 + 406 + 243 = 666.

It is not a de Polignac number, because 36521406243 - 2² = 36521406239 is a prime.

It is a super-2 number, since 2×36521406243² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36521406198 and 36521406207.

It is not an unprimeable number, because it can be changed into a prime (36521406203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289852368 + ... + 289852493.

It is an arithmetic number, because the mean of its divisors is an integer number (5024108804).

Almost surely, 2^36521406243 is an apocalyptic number.

36521406243 is a deficient number, since it is larger than the sum of its proper divisors (23767899405).

36521406243 is a wasteful number, since it uses less digits than its factorization.

36521406243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579704874 (or 579704871 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 36521406243 in words is "thirty-six billion, five hundred twenty-one million, four hundred six thousand, two hundred forty-three".