1690000693 has 16 divisors (see below), whose sum is σ = 1785991680. Its totient is φ = 1595992816.

The previous prime is 1690000687. The next prime is 1690000727. The reversal of 1690000693 is 3960000961.

It is not a de Polignac number, because 1690000693 - 2²¹ = 1687903541 is a prime.

It is a super-2 number, since 2×1690000693² = 5712204684680960498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1690000093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 852978 + ... + 854956.

It is an arithmetic number, because the mean of its divisors is an integer number (111624480).

Almost surely, 2^1690000693 is an apocalyptic number.

It is an amenable number.

1690000693 is a deficient number, since it is larger than the sum of its proper divisors (95990987).

1690000693 is a wasteful number, since it uses less digits than its factorization.

1690000693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 1690000693 is about 41109.6180108743. The cubic root of 1690000693 is about 1191.1385880088.

The spelling of 1690000693 in words is "one billion, six hundred ninety million, six hundred ninety-three", and thus it is an aban number.