2531763149 has 6 divisors (see below), whose sum is σ = 2616068430. Its totient is φ = 2450092440.

The previous prime is 2531763127. The next prime is 2531763197. The reversal of 2531763149 is 9413671352.

It can be written as a sum of positive squares in only one way, i.e., 2450943049 + 80820100 = 49507^2 + 8990^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2531763149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531763119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1316294 + ... + 1318215.

It is an arithmetic number, because the mean of its divisors is an integer number (436011405).

Almost surely, 2^2531763149 is an apocalyptic number.

It is an amenable number.

2531763149 is a deficient number, since it is larger than the sum of its proper divisors (84305281).

2531763149 is an equidigital number, since it uses as much as digits as its factorization.

2531763149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634571 (or 2634540 counting only the distinct ones).

The product of its digits is 136080, while the sum is 41.

The square root of 2531763149 is about 50316.6289510734. The cubic root of 2531763149 is about 1362.9325325857.

The spelling of 2531763149 in words is "two billion, five hundred thirty-one million, seven hundred sixty-three thousand, one hundred forty-nine".