2867505343641 has 9 divisors (see below), whose sum is σ = 4141959500991. Its totient is φ = 1911666842352.

The previous prime is 2867505343639. The next prime is 2867505343757. The reversal of 2867505343641 is 1463435057682.

The square root of 2867505343641 is 1693371.

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

2867505343641 is a `hidden beast` number, since 2 + 8 + 6 + 75 + 0 + 534 + 36 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2563569243225 + 303936100416 = 1601115^2 + 551304^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 2867505343641 - 2¹ = 2867505343639 is a prime.

It is a super-3 number, since 3×2867505343641³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2867505343141) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4797885 + ... + 5362341.

Almost surely, 2^{2867505343641} is an apocalyptic number.

2867505343641 is the 1693371-st square number.

2867505343641 is the 846686-th centered octagonal number.

It is an amenable number.

2867505343641 is a deficient number, since it is larger than the sum of its proper divisors (1274454157350).

2867505343641 is an frugal number, since it uses more digits than its factorization.

2867505343641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128920 (or 564460 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 2867505343641 in words is "two trillion, eight hundred sixty-seven billion, five hundred five million, three hundred forty-three thousand, six hundred forty-one".