1690226063 has 4 divisors (see below), whose sum is σ = 1690708008. Its totient is φ = 1689744120.

The previous prime is 1690226033. The next prime is 1690226077. The reversal of 1690226063 is 3606220961.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1690226063 - 2¹⁴ = 1690209679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1690226033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235673 + ... + 242738.

It is an arithmetic number, because the mean of its divisors is an integer number (422677002).

Almost surely, 2^1690226063 is an apocalyptic number.

1690226063 is a deficient number, since it is larger than the sum of its proper divisors (481945).

1690226063 is an equidigital number, since it uses as much as digits as its factorization.

1690226063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481944.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 1690226063 is about 41112.3590055351. The cubic root of 1690226063 is about 1191.1915337409.

The spelling of 1690226063 in words is "one billion, six hundred ninety million, two hundred twenty-six thousand, sixty-three".