3420730857683 has 2 divisors, whose sum is σ = 3420730857684. Its totient is φ = 3420730857682.

The previous prime is 3420730857679. The next prime is 3420730857751. The reversal of 3420730857683 is 3867580370243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3420730857683 - 2² = 3420730857679 is a prime.

It is not a weakly prime, because it can be changed into another prime (3420730857613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710365428841 + 1710365428842.

It is an arithmetic number, because the mean of its divisors is an integer number (1710365428842).

Almost surely, 2^{3420730857683} is an apocalyptic number.

3420730857683 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420730857683 is an equidigital number, since it uses as much as digits as its factorization.

3420730857683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20321280, while the sum is 56.

The spelling of 3420730857683 in words is "three trillion, four hundred twenty billion, seven hundred thirty million, eight hundred fifty-seven thousand, six hundred eighty-three".