2611925449 has 21 divisors (see below), whose sum is σ = 3067831207. Its totient is φ = 2223767784.

The previous prime is 2611925447. The next prime is 2611925467. The reversal of 2611925449 is 9445291162.

The square root of 2611925449 is 51107.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 306005049 + 2305920400 = 17493^2 + 48020^2 .

It is not a de Polignac number, because 2611925449 - 2¹ = 2611925447 is a prime.

It is a super-2 number, since 2×2611925449² = 13644309102267703202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2611925443) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 17529627 + ... + 17529775.

Almost surely, 2^2611925449 is an apocalyptic number.

2611925449 is the 51107-th square number.

2611925449 is the 25554-th centered octagonal number.

It is an amenable number.

2611925449 is a deficient number, since it is larger than the sum of its proper divisors (455905758).

2611925449 is an frugal number, since it uses more digits than its factorization.

2611925449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 156 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The cubic root of 2611925449 is about 1377.1680088555.

The spelling of 2611925449 in words is "two billion, six hundred eleven million, nine hundred twenty-five thousand, four hundred forty-nine".