3477021876161 has 4 divisors (see below), whose sum is σ = 3485051950212. Its totient is φ = 3468991802112.

The previous prime is 3477021876151. The next prime is 3477021876173. The reversal of 3477021876161 is 1616781207743.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 356743398400 + 3120278477761 = 597280^2 + 1766431^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3477021876161 is a prime.

It is a super-2 number, since 2×3477021876161² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3477021876101) 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, 4015036376 + ... + 4015037241.

It is an arithmetic number, because the mean of its divisors is an integer number (871262987553).

Almost surely, 2^{3477021876161} is an apocalyptic number.

It is an amenable number.

3477021876161 is a deficient number, since it is larger than the sum of its proper divisors (8030074051).

3477021876161 is an equidigital number, since it uses as much as digits as its factorization.

3477021876161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8030074050.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 3477021876161 in words is "three trillion, four hundred seventy-seven billion, twenty-one million, eight hundred seventy-six thousand, one hundred sixty-one".