2049144631 has 2 divisors, whose sum is σ = 2049144632. Its totient is φ = 2049144630.

The previous prime is 2049144571. The next prime is 2049144637. The reversal of 2049144631 is 1364419402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2049144631 - 2¹⁷ = 2049013559 is a prime.

It is a super-2 number, since 2×2049144631² = 8397987437512252322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2049144637) 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 as a sum of consecutive naturals, namely, 1024572315 + 1024572316.

It is an arithmetic number, because the mean of its divisors is an integer number (1024572316).

Almost surely, 2^2049144631 is an apocalyptic number.

2049144631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2049144631 is an equidigital number, since it uses as much as digits as its factorization.

2049144631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 2049144631 is about 45267.4787347385. The cubic root of 2049144631 is about 1270.1573845501.

The spelling of 2049144631 in words is "two billion, forty-nine million, one hundred forty-four thousand, six hundred thirty-one".