2580949837 has 8 divisors (see below), whose sum is σ = 2652875000. Its totient is φ = 2509138944.

The previous prime is 2580949831. The next prime is 2580949849. The reversal of 2580949837 is 7389490852.

It can be written as a sum of positive squares in 4 ways, for example, as 1265509476 + 1315440361 = 35574^2 + 36269^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2580949837 is a prime.

It is a super-2 number, since 2×2580949837² = 13322604122220653138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2580949831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18289 + ... + 74137.

It is an arithmetic number, because the mean of its divisors is an integer number (331609375).

Almost surely, 2^2580949837 is an apocalyptic number.

It is an amenable number.

2580949837 is a deficient number, since it is larger than the sum of its proper divisors (71925163).

2580949837 is a wasteful number, since it uses less digits than its factorization.

2580949837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57135.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The square root of 2580949837 is about 50803.0494852425. The cubic root of 2580949837 is about 1371.7022612725.

The spelling of 2580949837 in words is "two billion, five hundred eighty million, nine hundred forty-nine thousand, eight hundred thirty-seven".