4271947463161 has 15 divisors (see below), whose sum is σ = 4983760319343. Its totient is φ = 3661582445640.

The previous prime is 4271947463153. The next prime is 4271947463171. The reversal of 4271947463161 is 1613647491724.

The square root of 4271947463161 is 2066869.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 168649027561 + 4103298435600 = 410669^2 + 2025660^2 .

It is not a de Polignac number, because 4271947463161 - 2³ = 4271947463153 is a prime.

It is a super-2 number, since 2×4271947463161² (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 (4271947463141) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 101255491 + ... + 101297671.

Almost surely, 2^{4271947463161} is an apocalyptic number.

4271947463161 is the 2066869-th square number.

4271947463161 is the 1033435-th centered octagonal number.

It is an amenable number.

4271947463161 is a deficient number, since it is larger than the sum of its proper divisors (711812856182).

4271947463161 is an frugal number, since it uses more digits than its factorization.

4271947463161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84390 (or 42188 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 55.

The spelling of 4271947463161 in words is "four trillion, two hundred seventy-one billion, nine hundred forty-seven million, four hundred sixty-three thousand, one hundred sixty-one".