3821736069 has 12 divisors (see below), whose sum is σ = 5648664736. Its totient is φ = 2488572072.

The previous prime is 3821736067. The next prime is 3821736073. The reversal of 3821736069 is 9606371283.

3821736069 is a `hidden beast` number, since 38 + 2 + 1 + 7 + 3 + 606 + 9 = 666.

It is not a de Polignac number, because 3821736069 - 2¹ = 3821736067 is a prime.

It is a super-2 number, since 2×3821736069² = 29211333162191145522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821736067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4937257 + ... + 4938030.

Almost surely, 2^3821736069 is an apocalyptic number.

It is an amenable number.

3821736069 is a deficient number, since it is larger than the sum of its proper divisors (1826928667).

3821736069 is a wasteful number, since it uses less digits than its factorization.

3821736069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9875336 (or 9875333 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 3821736069 is about 61820.1914345143. The cubic root of 3821736069 is about 1563.4604408007.

The spelling of 3821736069 in words is "three billion, eight hundred twenty-one million, seven hundred thirty-six thousand, sixty-nine".