1690568013 has 8 divisors (see below), whose sum is σ = 2254474368. Its totient is φ = 1126853504.

The previous prime is 1690568003. The next prime is 1690568017. The reversal of 1690568013 is 3108650961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1690568013 - 2¹⁶ = 1690502477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1690568017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25956 + ... + 63677.

It is an arithmetic number, because the mean of its divisors is an integer number (281809296).

Almost surely, 2^1690568013 is an apocalyptic number.

It is an amenable number.

1690568013 is a deficient number, since it is larger than the sum of its proper divisors (563906355).

1690568013 is an equidigital number, since it uses as much as digits as its factorization.

1690568013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95923.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 1690568013 is about 41116.5175203348. The cubic root of 1690568013 is about 1191.2718583965.

The spelling of 1690568013 in words is "one billion, six hundred ninety million, five hundred sixty-eight thousand, thirteen".