36642045212421 has 16 divisors (see below), whose sum is σ = 54431510105088. Its totient is φ = 21734804380400.

The previous prime is 36642045212417. The next prime is 36642045212431. The reversal of 36642045212421 is 12421254024663.

It is a cyclic number.

It is not a de Polignac number, because 36642045212421 - 2² = 36642045212417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36642045212411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11812392135 + ... + 11812395236.

It is an arithmetic number, because the mean of its divisors is an integer number (3401969381568).

Almost surely, 2^{36642045212421} is an apocalyptic number.

It is an amenable number.

36642045212421 is a deficient number, since it is larger than the sum of its proper divisors (17789464892667).

36642045212421 is a wasteful number, since it uses less digits than its factorization.

36642045212421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23624787432.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 36642045212421 in words is "thirty-six trillion, six hundred forty-two billion, forty-five million, two hundred twelve thousand, four hundred twenty-one".