2539262149 has 8 divisors (see below), whose sum is σ = 2585303960. Its totient is φ = 2493524736.

The previous prime is 2539262083. The next prime is 2539262153. The reversal of 2539262149 is 9412629352.

It can be written as a sum of positive squares in 4 ways, for example, as 1838865924 + 700396225 = 42882^2 + 26465^2 .

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-2539262149 is a prime.

It is a super-2 number, since 2×2539262149² = 12895704522688196402, 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 (2539262549) 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, 59232 + ... + 92665.

It is an arithmetic number, because the mean of its divisors is an integer number (323162995).

Almost surely, 2^2539262149 is an apocalyptic number.

It is an amenable number.

2539262149 is a deficient number, since it is larger than the sum of its proper divisors (46041811).

2539262149 is a wasteful number, since it uses less digits than its factorization.

2539262149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152199.

The product of its digits is 233280, while the sum is 43.

The square root of 2539262149 is about 50391.0919607821. The cubic root of 2539262149 is about 1364.2768600991.

The spelling of 2539262149 in words is "two billion, five hundred thirty-nine million, two hundred sixty-two thousand, one hundred forty-nine".