2864706149 has 4 divisors (see below), whose sum is σ = 2865094764. Its totient is φ = 2864317536.

The previous prime is 2864706113. The next prime is 2864706151. The reversal of 2864706149 is 9416074682.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2092422049 + 772284100 = 45743^2 + 27790^2 .

It is a cyclic number.

It is not a de Polignac number, because 2864706149 - 2¹² = 2864702053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2864706109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183032 + ... + 198065.

It is an arithmetic number, because the mean of its divisors is an integer number (716273691).

Almost surely, 2^2864706149 is an apocalyptic number.

It is an amenable number.

2864706149 is a deficient number, since it is larger than the sum of its proper divisors (388615).

2864706149 is an equidigital number, since it uses as much as digits as its factorization.

2864706149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388614.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 2864706149 is about 53522.9497412091. The cubic root of 2864706149 is about 1420.2343970995.

The spelling of 2864706149 in words is "two billion, eight hundred sixty-four million, seven hundred six thousand, one hundred forty-nine".