676443401 has 2 divisors, whose sum is σ = 676443402. Its totient is φ = 676443400.

The previous prime is 676443367. The next prime is 676443419. The reversal of 676443401 is 104344676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 604176400 + 72267001 = 24580^2 + 8501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-676443401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (676443421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338221700 + 338221701.

It is an arithmetic number, because the mean of its divisors is an integer number (338221701).

Almost surely, 2^676443401 is an apocalyptic number.

It is an amenable number.

676443401 is a deficient number, since it is larger than the sum of its proper divisors (1).

676443401 is an equidigital number, since it uses as much as digits as its factorization.

676443401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 676443401 is about 26008.5255445210. The cubic root of 676443401 is about 877.8301400330.

The spelling of 676443401 in words is "six hundred seventy-six million, four hundred forty-three thousand, four hundred one".