36334246621 has 2 divisors, whose sum is σ = 36334246622. Its totient is φ = 36334246620.

The previous prime is 36334246609. The next prime is 36334246661. The reversal of 36334246621 is 12664243363.

It is a happy number.

It is an a-pointer prime, because the next prime (36334246661) can be obtained adding 36334246621 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20167124121 + 16167122500 = 142011^2 + 127150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36334246621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36334246661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18167123310 + 18167123311.

It is an arithmetic number, because the mean of its divisors is an integer number (18167123311).

Almost surely, 2^36334246621 is an apocalyptic number.

It is an amenable number.

36334246621 is a deficient number, since it is larger than the sum of its proper divisors (1).

36334246621 is an equidigital number, since it uses as much as digits as its factorization.

36334246621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 40.

Adding to 36334246621 its reverse (12664243363), we get a palindrome (48998489984).

The spelling of 36334246621 in words is "thirty-six billion, three hundred thirty-four million, two hundred forty-six thousand, six hundred twenty-one".