2958784409 has 4 divisors (see below), whose sum is σ = 3381467904. Its totient is φ = 2536100916.

The previous prime is 2958784379. The next prime is 2958784417. The reversal of 2958784409 is 9044878592.

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 2958784409 - 2¹² = 2958780313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2958784459) 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, 211341737 + ... + 211341750.

It is an arithmetic number, because the mean of its divisors is an integer number (845366976).

Almost surely, 2^2958784409 is an apocalyptic number.

It is an amenable number.

2958784409 is a deficient number, since it is larger than the sum of its proper divisors (422683495).

2958784409 is an equidigital number, since it uses as much as digits as its factorization.

2958784409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422683494.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The square root of 2958784409 is about 54394.7093842774. The cubic root of 2958784409 is about 1435.6142940905.

The spelling of 2958784409 in words is "two billion, nine hundred fifty-eight million, seven hundred eighty-four thousand, four hundred nine".