3650069 has 2 divisors, whose sum is σ = 3650070. Its totient is φ = 3650068.

The previous prime is 3650063. The next prime is 3650081. The reversal of 3650069 is 9600563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2907025 + 743044 = 1705^2 + 862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3650069 is a prime.

It is a super-2 number, since 2×3650069² = 26646007409522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3650063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1825034 + 1825035.

It is an arithmetic number, because the mean of its divisors is an integer number (1825035).

Almost surely, 2^3650069 is an apocalyptic number.

It is an amenable number.

3650069 is a deficient number, since it is larger than the sum of its proper divisors (1).

3650069 is an equidigital number, since it uses as much as digits as its factorization.

3650069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 3650069 is about 1910.5153754943. The cubic root of 3650069 is about 153.9691426340.

It can be divided in two parts, 36 and 50069, that added together give a palindrome (50105).

The spelling of 3650069 in words is "three million, six hundred fifty thousand, sixty-nine".