36221233639 has 2 divisors, whose sum is σ = 36221233640. Its totient is φ = 36221233638.

The previous prime is 36221233577. The next prime is 36221233649. The reversal of 36221233639 is 93633212263.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36221233639 - 2²¹ = 36219136487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36221233649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18110616819 + 18110616820.

It is an arithmetic number, because the mean of its divisors is an integer number (18110616820).

Almost surely, 2^36221233639 is an apocalyptic number.

36221233639 is a deficient number, since it is larger than the sum of its proper divisors (1).

36221233639 is an equidigital number, since it uses as much as digits as its factorization.

36221233639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 40.

The spelling of 36221233639 in words is "thirty-six billion, two hundred twenty-one million, two hundred thirty-three thousand, six hundred thirty-nine".