2939340249 has 6 divisors (see below), whose sum is σ = 4245713706. Its totient is φ = 1959560160.

The previous prime is 2939340247. The next prime is 2939340277. The reversal of 2939340249 is 9420439392.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2367795600 + 571544649 = 48660^2 + 23907^2 .

It is not a de Polignac number, because 2939340249 - 2¹ = 2939340247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2939340247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163296672 + ... + 163296689.

It is an arithmetic number, because the mean of its divisors is an integer number (707618951).

Almost surely, 2^2939340249 is an apocalyptic number.

It is an amenable number.

2939340249 is a deficient number, since it is larger than the sum of its proper divisors (1306373457).

2939340249 is a wasteful number, since it uses less digits than its factorization.

2939340249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326593367 (or 326593364 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 2939340249 is about 54215.6826849944. The cubic root of 2939340249 is about 1432.4625846609.

The spelling of 2939340249 in words is "two billion, nine hundred thirty-nine million, three hundred forty thousand, two hundred forty-nine".