6637772671741 has 2 divisors, whose sum is σ = 6637772671742. Its totient is φ = 6637772671740.

The previous prime is 6637772671681. The next prime is 6637772671799. The reversal of 6637772671741 is 1471762777366.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6559509811716 + 78262860025 = 2561154^2 + 279755^2 .

It is a cyclic number.

It is not a de Polignac number, because 6637772671741 - 2²³ = 6637764283133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6637772671141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3318886335870 + 3318886335871.

It is an arithmetic number, because the mean of its divisors is an integer number (3318886335871).

Almost surely, 2^{6637772671741} is an apocalyptic number.

It is an amenable number.

6637772671741 is a deficient number, since it is larger than the sum of its proper divisors (1).

6637772671741 is an equidigital number, since it uses as much as digits as its factorization.

6637772671741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87127488, while the sum is 64.

The spelling of 6637772671741 in words is "six trillion, six hundred thirty-seven billion, seven hundred seventy-two million, six hundred seventy-one thousand, seven hundred forty-one".