1690738093 has 8 divisors (see below), whose sum is σ = 1854000576. Its totient is φ = 1529068800.

The previous prime is 1690738087. The next prime is 1690738103. The reversal of 1690738093 is 3908370961.

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 1690738093 - 2¹⁷ = 1690607021 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 (1690708093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396073 + ... + 400318.

It is an arithmetic number, because the mean of its divisors is an integer number (231750072).

Almost surely, 2^1690738093 is an apocalyptic number.

It is an amenable number.

1690738093 is a deficient number, since it is larger than the sum of its proper divisors (163262483).

1690738093 is a wasteful number, since it uses less digits than its factorization.

1690738093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796595.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 1690738093 is about 41118.5857368660. The cubic root of 1690738093 is about 1191.3118064537.

The spelling of 1690738093 in words is "one billion, six hundred ninety million, seven hundred thirty-eight thousand, ninety-three".