1136838650621 has 2 divisors, whose sum is σ = 1136838650622. Its totient is φ = 1136838650620.

The previous prime is 1136838650611. The next prime is 1136838650641. The reversal of 1136838650621 is 1260568386311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1134041827396 + 2796823225 = 1064914^2 + 52885^2 .

It is a cyclic number.

It is not a de Polignac number, because 1136838650621 - 2⁶ = 1136838650557 is a prime.

It is a super-2 number, since 2×1136838650621² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1136838650621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1136838650611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568419325310 + 568419325311.

It is an arithmetic number, because the mean of its divisors is an integer number (568419325311).

Almost surely, 2^{1136838650621} is an apocalyptic number.

It is an amenable number.

1136838650621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1136838650621 is an equidigital number, since it uses as much as digits as its factorization.

1136838650621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 1136838650621 in words is "one trillion, one hundred thirty-six billion, eight hundred thirty-eight million, six hundred fifty thousand, six hundred twenty-one".