4086356993 has 2 divisors, whose sum is σ = 4086356994. Its totient is φ = 4086356992.

The previous prime is 4086356983. The next prime is 4086357019. The reversal of 4086356993 is 3996536804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2294697409 + 1791659584 = 47903^2 + 42328^2 .

It is a cyclic number.

It is not a de Polignac number, because 4086356993 - 2¹⁶ = 4086291457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4086356983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2043178496 + 2043178497.

It is an arithmetic number, because the mean of its divisors is an integer number (2043178497).

Almost surely, 2^4086356993 is an apocalyptic number.

It is an amenable number.

4086356993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4086356993 is an equidigital number, since it uses as much as digits as its factorization.

4086356993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4199040, while the sum is 53.

The square root of 4086356993 is about 63924.6196156066. The cubic root of 4086356993 is about 1598.7434135076.

The spelling of 4086356993 in words is "four billion, eighty-six million, three hundred fifty-six thousand, nine hundred ninety-three".