1680410903 has 2 divisors, whose sum is σ = 1680410904. Its totient is φ = 1680410902.

The previous prime is 1680410891. The next prime is 1680410911. The reversal of 1680410903 is 3090140861.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1680410903 - 2⁶ = 1680410839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1680410903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1680410983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 840205451 + 840205452.

It is an arithmetic number, because the mean of its divisors is an integer number (840205452).

Almost surely, 2^1680410903 is an apocalyptic number.

1680410903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1680410903 is an equidigital number, since it uses as much as digits as its factorization.

1680410903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1680410903 is about 40992.8152607259. The cubic root of 1680410903 is about 1188.8813023092.

The spelling of 1680410903 in words is "one billion, six hundred eighty million, four hundred ten thousand, nine hundred three".