2977864822069 has 2 divisors, whose sum is σ = 2977864822070. Its totient is φ = 2977864822068.

The previous prime is 2977864822057. The next prime is 2977864822123. The reversal of 2977864822069 is 9602284687792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1624974815025 + 1352890007044 = 1274745^2 + 1163138^2 .

It is a cyclic number.

It is not a de Polignac number, because 2977864822069 - 2⁷ = 2977864821941 is a prime.

It is a super-2 number, since 2×2977864822069² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2977864821989 and 2977864822007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2977864822469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1488932411034 + 1488932411035.

It is an arithmetic number, because the mean of its divisors is an integer number (1488932411035).

Almost surely, 2^{2977864822069} is an apocalyptic number.

It is an amenable number.

2977864822069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2977864822069 is an equidigital number, since it uses as much as digits as its factorization.

2977864822069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 292626432, while the sum is 70.

The spelling of 2977864822069 in words is "two trillion, nine hundred seventy-seven billion, eight hundred sixty-four million, eight hundred twenty-two thousand, sixty-nine".