2078773469 has 2 divisors, whose sum is σ = 2078773470. Its totient is φ = 2078773468.

The previous prime is 2078773457. The next prime is 2078773493. The reversal of 2078773469 is 9643778702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1820046244 + 258727225 = 42662^2 + 16085^2 .

It is a cyclic number.

It is not a de Polignac number, because 2078773469 - 2⁴ = 2078773453 is a prime.

It is a super-2 number, since 2×2078773469² = 8642598270836587922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2078773469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2078773409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1039386734 + 1039386735.

It is an arithmetic number, because the mean of its divisors is an integer number (1039386735).

Almost surely, 2^2078773469 is an apocalyptic number.

It is an amenable number.

2078773469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2078773469 is an equidigital number, since it uses as much as digits as its factorization.

2078773469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3556224, while the sum is 53.

The square root of 2078773469 is about 45593.5682854501. The cubic root of 2078773469 is about 1276.2499021239.

The spelling of 2078773469 in words is "two billion, seventy-eight million, seven hundred seventy-three thousand, four hundred sixty-nine".