4080679649 has 2 divisors, whose sum is σ = 4080679650. Its totient is φ = 4080679648.

The previous prime is 4080679627. The next prime is 4080679703. The reversal of 4080679649 is 9469760804.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4036696225 + 43983424 = 63535^2 + 6632^2 .

It is a cyclic number.

It is not a de Polignac number, because 4080679649 - 2¹² = 4080675553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4080679649.

It is not a weakly prime, because it can be changed into another prime (4080672649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2040339824 + 2040339825.

It is an arithmetic number, because the mean of its divisors is an integer number (2040339825).

Almost surely, 2^4080679649 is an apocalyptic number.

It is an amenable number.

4080679649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4080679649 is an equidigital number, since it uses as much as digits as its factorization.

4080679649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The square root of 4080679649 is about 63880.1976280600. The cubic root of 4080679649 is about 1598.0026703391.

The spelling of 4080679649 in words is "four billion, eighty million, six hundred seventy-nine thousand, six hundred forty-nine".