2671563437 has 2 divisors, whose sum is σ = 2671563438. Its totient is φ = 2671563436.

The previous prime is 2671563409. The next prime is 2671563449. The reversal of 2671563437 is 7343651762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1362643396 + 1308920041 = 36914^2 + 36179^2 .

It is a cyclic number.

It is not a de Polignac number, because 2671563437 - 2⁶ = 2671563373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2671563467) 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, 1335781718 + 1335781719.

It is an arithmetic number, because the mean of its divisors is an integer number (1335781719).

Almost surely, 2^2671563437 is an apocalyptic number.

It is an amenable number.

2671563437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2671563437 is an equidigital number, since it uses as much as digits as its factorization.

2671563437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 44.

The square root of 2671563437 is about 51687.1689783838. The cubic root of 2671563437 is about 1387.5708374082.

The spelling of 2671563437 in words is "two billion, six hundred seventy-one million, five hundred sixty-three thousand, four hundred thirty-seven".