4039267902849 has 9 divisors (see below), whose sum is σ = 5834506791009. Its totient is φ = 2692841248980.

The previous prime is 4039267902847. The next prime is 4039267902877. The reversal of 4039267902849 is 9482097629304.

The square root of 4039267902849 is 2009793.

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

4039267902849 is a `hidden beast` number, since 4 + 0 + 3 + 9 + 267 + 90 + 284 + 9 = 666.

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

It is not a de Polignac number, because 4039267902849 - 2¹ = 4039267902847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4039267902847) 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, 5694414 + ... + 6364344.

Almost surely, 2^{4039267902849} is an apocalyptic number.

4039267902849 is the 2009793-rd square number.

4039267902849 is the 1004897-th centered octagonal number.

It is an amenable number.

4039267902849 is a deficient number, since it is larger than the sum of its proper divisors (1795238888160).

4039267902849 is an frugal number, since it uses more digits than its factorization.

4039267902849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339868 (or 669934 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 4039267902849 in words is "four trillion, thirty-nine billion, two hundred sixty-seven million, nine hundred two thousand, eight hundred forty-nine".