3801821567193 has 48 divisors (see below), whose sum is σ = 6052276310080. Its totient is φ = 2284872250752.

The previous prime is 3801821567129. The next prime is 3801821567231. The reversal of 3801821567193 is 3917651281083.

3801821567193 is a `hidden beast` number, since 38 + 0 + 18 + 21 + 567 + 19 + 3 = 666.

It is not a de Polignac number, because 3801821567193 - 2⁶ = 3801821567129 is a prime.

It is a super-2 number, since 2×3801821567193² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3801821567123) 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 47 ways as a sum of consecutive naturals, for example, 41555646 + ... + 41647032.

Almost surely, 2^{3801821567193} is an apocalyptic number.

It is an amenable number.

3801821567193 is a deficient number, since it is larger than the sum of its proper divisors (2250454742887).

3801821567193 is a wasteful number, since it uses less digits than its factorization.

3801821567193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99718 (or 99715 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 3801821567193 in words is "three trillion, eight hundred one billion, eight hundred twenty-one million, five hundred sixty-seven thousand, one hundred ninety-three".