3646786079 has 2 divisors, whose sum is σ = 3646786080. Its totient is φ = 3646786078.

The previous prime is 3646786067. The next prime is 3646786103. The reversal of 3646786079 is 9706876463.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9706876463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3646786079 - 2¹⁶ = 3646720543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3646786049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1823393039 + 1823393040.

It is an arithmetic number, because the mean of its divisors is an integer number (1823393040).

Almost surely, 2^3646786079 is an apocalyptic number.

3646786079 is a deficient number, since it is larger than the sum of its proper divisors (1).

3646786079 is an equidigital number, since it uses as much as digits as its factorization.

3646786079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 56.

The square root of 3646786079 is about 60388.6254107510. The cubic root of 3646786079 is about 1539.2296815079.

The spelling of 3646786079 in words is "three billion, six hundred forty-six million, seven hundred eighty-six thousand, seventy-nine".