4678656373 has 2 divisors, whose sum is σ = 4678656374. Its totient is φ = 4678656372.

The previous prime is 4678656347. The next prime is 4678656383. The reversal of 4678656373 is 3736568764.

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., 4331877489 + 346778884 = 65817^2 + 18622^2 .

It is a cyclic number.

It is not a de Polignac number, because 4678656373 - 2¹³ = 4678648181 is a prime.

It is a super-2 number, since 2×4678656373² = 43779650913227030258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4678656383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2339328186 + 2339328187.

It is an arithmetic number, because the mean of its divisors is an integer number (2339328187).

Almost surely, 2^4678656373 is an apocalyptic number.

It is an amenable number.

4678656373 is a deficient number, since it is larger than the sum of its proper divisors (1).

4678656373 is an equidigital number, since it uses as much as digits as its factorization.

4678656373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 55.

The square root of 4678656373 is about 68400.7044773663. The cubic root of 4678656373 is about 1672.5292299032.

The spelling of 4678656373 in words is "four billion, six hundred seventy-eight million, six hundred fifty-six thousand, three hundred seventy-three".