1036385641 has 2 divisors, whose sum is σ = 1036385642. Its totient is φ = 1036385640.

The previous prime is 1036385639. The next prime is 1036385663. The reversal of 1036385641 is 1465836301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 633982041 + 402403600 = 25179^2 + 20060^2 .

It is a cyclic number.

It is not a de Polignac number, because 1036385641 - 2¹ = 1036385639 is a prime.

It is a super-3 number, since 3×1036385641³ (a number of 28 digits) contains 333 as substring.

Together with 1036385639, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1036385641.

It is not a weakly prime, because it can be changed into another prime (1036385611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 518192820 + 518192821.

It is an arithmetic number, because the mean of its divisors is an integer number (518192821).

Almost surely, 2^1036385641 is an apocalyptic number.

It is an amenable number.

1036385641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1036385641 is an equidigital number, since it uses as much as digits as its factorization.

1036385641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 1036385641 is about 32192.9439629245. The cubic root of 1036385641 is about 1011.9843486386.

The spelling of 1036385641 in words is "one billion, thirty-six million, three hundred eighty-five thousand, six hundred forty-one".