3797664221869 has 16 divisors (see below), whose sum is σ = 4414835998720. Its totient is φ = 3199524073200.

The previous prime is 3797664221821. The next prime is 3797664221893. The reversal of 3797664221869 is 9681224667973.

It is not a de Polignac number, because 3797664221869 - 2¹⁵ = 3797664189101 is a prime.

It is a super-2 number, since 2×3797664221869² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3797664221798 and 3797664221807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3797664221669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15274407 + ... + 15521044.

It is an arithmetic number, because the mean of its divisors is an integer number (275927249920).

Almost surely, 2^{3797664221869} is an apocalyptic number.

It is an amenable number.

3797664221869 is a deficient number, since it is larger than the sum of its proper divisors (617171776851).

3797664221869 is a wasteful number, since it uses less digits than its factorization.

3797664221869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30795760.

The product of its digits is 329204736, while the sum is 70.

The spelling of 3797664221869 in words is "three trillion, seven hundred ninety-seven billion, six hundred sixty-four million, two hundred twenty-one thousand, eight hundred sixty-nine".