2671217643272 has 8 divisors (see below), whose sum is σ = 5008533081150. Its totient is φ = 1335608821632.

The previous prime is 2671217643257. The next prime is 2671217643313. The reversal of 2671217643272 is 2723467121762.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2632071437956 + 39146205316 = 1622366^2 + 197854^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2671217643272.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166951102697 + ... + 166951102712.

Almost surely, 2^{2671217643272} is an apocalyptic number.

It is an amenable number.

2671217643272 is a deficient number, since it is larger than the sum of its proper divisors (2337315437878).

2671217643272 is a wasteful number, since it uses less digits than its factorization.

2671217643272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333902205415 (or 333902205411 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 50.

The spelling of 2671217643272 in words is "two trillion, six hundred seventy-one billion, two hundred seventeen million, six hundred forty-three thousand, two hundred seventy-two".