3690420427 has 2 divisors, whose sum is σ = 3690420428. Its totient is φ = 3690420426.

The previous prime is 3690420397. The next prime is 3690420473. The reversal of 3690420427 is 7240240963.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3690420427 - 2¹⁹ = 3689896139 is a prime.

It is not a weakly prime, because it can be changed into another prime (3697420427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1845210213 + 1845210214.

It is an arithmetic number, because the mean of its divisors is an integer number (1845210214).

Almost surely, 2^3690420427 is an apocalyptic number.

3690420427 is a deficient number, since it is larger than the sum of its proper divisors (1).

3690420427 is an equidigital number, since it uses as much as digits as its factorization.

3690420427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 3690420427 is about 60748.8306636432. The cubic root of 3690420427 is about 1545.3443969244.

The spelling of 3690420427 in words is "three billion, six hundred ninety million, four hundred twenty thousand, four hundred twenty-seven".