2580916349 has 8 divisors (see below), whose sum is σ = 2816042592. Its totient is φ = 2345873040.

The previous prime is 2580916343. The next prime is 2580916391. The reversal of 2580916349 is 9436190852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2580916349 - 2²⁴ = 2564139133 is a prime.

It is a super-2 number, since 2×2580916349² = 13322258401070979602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2580916343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57047 + ... + 91739.

It is an arithmetic number, because the mean of its divisors is an integer number (352005324).

Almost surely, 2^2580916349 is an apocalyptic number.

It is an amenable number.

2580916349 is a deficient number, since it is larger than the sum of its proper divisors (235126243).

2580916349 is a wasteful number, since it uses less digits than its factorization.

2580916349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41467.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 2580916349 is about 50802.7198976590. The cubic root of 2580916349 is about 1371.6963286035.

The spelling of 2580916349 in words is "two billion, five hundred eighty million, nine hundred sixteen thousand, three hundred forty-nine".