1697490383 has 2 divisors, whose sum is σ = 1697490384. Its totient is φ = 1697490382.

The previous prime is 1697490349. The next prime is 1697490439. The reversal of 1697490383 is 3830947961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1697490383 - 2¹⁰ = 1697489359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1697490283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 848745191 + 848745192.

It is an arithmetic number, because the mean of its divisors is an integer number (848745192).

Almost surely, 2^1697490383 is an apocalyptic number.

1697490383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1697490383 is an equidigital number, since it uses as much as digits as its factorization.

1697490383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 1697490383 is about 41200.6114396376. The cubic root of 1697490383 is about 1192.8956113795.

The spelling of 1697490383 in words is "one billion, six hundred ninety-seven million, four hundred ninety thousand, three hundred eighty-three".