1361069653 has 2 divisors, whose sum is σ = 1361069654. Its totient is φ = 1361069652.

The previous prime is 1361069621. The next prime is 1361069659. The reversal of 1361069653 is 3569601631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1003178929 + 357890724 = 31673^2 + 18918^2 .

It is an emirp because it is prime and its reverse (3569601631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1361069653 - 2⁵ = 1361069621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361069659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680534826 + 680534827.

It is an arithmetic number, because the mean of its divisors is an integer number (680534827).

Almost surely, 2^1361069653 is an apocalyptic number.

It is an amenable number.

1361069653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361069653 is an equidigital number, since it uses as much as digits as its factorization.

1361069653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 1361069653 is about 36892.6774983871. The cubic root of 1361069653 is about 1108.2220415108. Note that the first 3 decimals are identical.

The spelling of 1361069653 in words is "one billion, three hundred sixty-one million, sixty-nine thousand, six hundred fifty-three".