2806150974649 has 9 divisors (see below), whose sum is σ = 3084467193381. Its totient is φ = 2551029589020.

The previous prime is 2806150974631. The next prime is 2806150974707. The reversal of 2806150974649 is 9464790516082.

It is a happy number.

The square root of 2806150974649 is 1675157.

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

It is not a de Polignac number, because 2806150974649 - 2¹⁹ = 2806150450361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2806150974449) 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, 18350584 + ... + 18502870.

Almost surely, 2^{2806150974649} is an apocalyptic number.

2806150974649 is the 1675157-th square number.

2806150974649 is the 837579-th centered octagonal number.

It is an amenable number.

2806150974649 is a deficient number, since it is larger than the sum of its proper divisors (278316218732).

2806150974649 is an frugal number, since it uses more digits than its factorization.

2806150974649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304596 (or 152298 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 2806150974649 in words is "two trillion, eight hundred six billion, one hundred fifty million, nine hundred seventy-four thousand, six hundred forty-nine".