3777041001989 has 2 divisors, whose sum is σ = 3777041001990. Its totient is φ = 3777041001988.

The previous prime is 3777041001983. The next prime is 3777041001997. The reversal of 3777041001989 is 9891001407773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3421234716964 + 355806285025 = 1849658^2 + 596495^2 .

It is a cyclic number.

It is not a de Polignac number, because 3777041001989 - 2¹⁶ = 3777040936453 is a prime.

It is a super-2 number, since 2×3777041001989² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3777041001983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1888520500994 + 1888520500995.

It is an arithmetic number, because the mean of its divisors is an integer number (1888520500995).

Almost surely, 2^{3777041001989} is an apocalyptic number.

It is an amenable number.

3777041001989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3777041001989 is an equidigital number, since it uses as much as digits as its factorization.

3777041001989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2667168, while the sum is 56.

The spelling of 3777041001989 in words is "three trillion, seven hundred seventy-seven billion, forty-one million, one thousand, nine hundred eighty-nine".