3601681357 has 2 divisors, whose sum is σ = 3601681358. Its totient is φ = 3601681356.

The previous prime is 3601681351. The next prime is 3601681423. The reversal of 3601681357 is 7531861063.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2051999401 + 1549681956 = 45299^2 + 39366^2 .

It is a cyclic number.

It is not a de Polignac number, because 3601681357 - 2⁷ = 3601681229 is a prime.

It is a super-2 number, since 2×3601681357² = 25944217194722722898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3601681351) 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, 1800840678 + 1800840679.

It is an arithmetic number, because the mean of its divisors is an integer number (1800840679).

Almost surely, 2^3601681357 is an apocalyptic number.

It is an amenable number.

3601681357 is a deficient number, since it is larger than the sum of its proper divisors (1).

3601681357 is an equidigital number, since it uses as much as digits as its factorization.

3601681357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 3601681357 is about 60014.0096727422. The cubic root of 3601681357 is about 1532.8574276009.

The spelling of 3601681357 in words is "three billion, six hundred one million, six hundred eighty-one thousand, three hundred fifty-seven".