8943549189077 has 2 divisors, whose sum is σ = 8943549189078. Its totient is φ = 8943549189076.

The previous prime is 8943549188983. The next prime is 8943549189167. The reversal of 8943549189077 is 7709819453498.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8143295493316 + 800253695761 = 2853646^2 + 894569^2 .

It is a cyclic number.

It is not a de Polignac number, because 8943549189077 - 2³⁶ = 8874829712341 is a prime.

It is a super-2 number, since 2×8943549189077² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8943549188995 and 8943549189013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8943549189577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4471774594538 + 4471774594539.

It is an arithmetic number, because the mean of its divisors is an integer number (4471774594539).

Almost surely, 2^{8943549189077} is an apocalyptic number.

It is an amenable number.

8943549189077 is a deficient number, since it is larger than the sum of its proper divisors (1).

8943549189077 is an equidigital number, since it uses as much as digits as its factorization.

8943549189077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 548674560, while the sum is 74.

The spelling of 8943549189077 in words is "eight trillion, nine hundred forty-three billion, five hundred forty-nine million, one hundred eighty-nine thousand, seventy-seven".