2946137449 has 4 divisors (see below), whose sum is σ = 2954344320. Its totient is φ = 2937930580.

The previous prime is 2946137437. The next prime is 2946137477. The reversal of 2946137449 is 9447316492.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2946137449 - 2¹⁹ = 2945613161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2946137419) 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, 4102897 + ... + 4103614.

It is an arithmetic number, because the mean of its divisors is an integer number (738586080).

Almost surely, 2^2946137449 is an apocalyptic number.

It is an amenable number.

2946137449 is a deficient number, since it is larger than the sum of its proper divisors (8206871).

2946137449 is an equidigital number, since it uses as much as digits as its factorization.

2946137449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8206870.

The product of its digits is 1306368, while the sum is 49.

The square root of 2946137449 is about 54278.3331450036. Note that the first 3 decimals coincide. The cubic root of 2946137449 is about 1433.5659205698.

The spelling of 2946137449 in words is "two billion, nine hundred forty-six million, one hundred thirty-seven thousand, four hundred forty-nine".