36821568473 has 2 divisors, whose sum is σ = 36821568474. Its totient is φ = 36821568472.

The previous prime is 36821568419. The next prime is 36821568533. The reversal of 36821568473 is 37486512863.

It is a happy number.

36821568473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31148014144 + 5673554329 = 176488^2 + 75323^2 .

It is an emirp because it is prime and its reverse (37486512863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36821568473 - 2¹⁰ = 36821567449 is a prime.

It is not a weakly prime, because it can be changed into another prime (36821568373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18410784236 + 18410784237.

It is an arithmetic number, because the mean of its divisors is an integer number (18410784237).

Almost surely, 2^36821568473 is an apocalyptic number.

It is an amenable number.

36821568473 is a deficient number, since it is larger than the sum of its proper divisors (1).

36821568473 is an equidigital number, since it uses as much as digits as its factorization.

36821568473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 53.

The spelling of 36821568473 in words is "thirty-six billion, eight hundred twenty-one million, five hundred sixty-eight thousand, four hundred seventy-three".