3835843784401 has 4 divisors (see below), whose sum is σ = 3959580680704. Its totient is φ = 3712106888100.

The previous prime is 3835843784387. The next prime is 3835843784489. The reversal of 3835843784401 is 1044873485383.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3835843784401 - 2⁵ = 3835843784369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3835843787401) 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 3 ways as a sum of consecutive naturals, for example, 61868448105 + ... + 61868448166.

It is an arithmetic number, because the mean of its divisors is an integer number (989895170176).

Almost surely, 2^{3835843784401} is an apocalyptic number.

3835843784401 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3835843784401 is a deficient number, since it is larger than the sum of its proper divisors (123736896303).

3835843784401 is a wasteful number, since it uses less digits than its factorization.

3835843784401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123736896302.

The product of its (nonzero) digits is 30965760, while the sum is 58.

The spelling of 3835843784401 in words is "three trillion, eight hundred thirty-five billion, eight hundred forty-three million, seven hundred eighty-four thousand, four hundred one".