1693473797 has 4 divisors (see below), whose sum is σ = 1748102016. Its totient is φ = 1638845580.

The previous prime is 1693473791. The next prime is 1693473809. The reversal of 1693473797 is 7973743961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7973743961 = 829 ⋅9618509.

It is a cyclic number.

It is not a de Polignac number, because 1693473797 - 2¹⁴ = 1693457413 is a prime.

It is a super-2 number, since 2×1693473797² = 5735707002251194418, 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 (1693473791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27314063 + ... + 27314124.

It is an arithmetic number, because the mean of its divisors is an integer number (437025504).

Almost surely, 2^1693473797 is an apocalyptic number.

It is an amenable number.

1693473797 is a deficient number, since it is larger than the sum of its proper divisors (54628219).

1693473797 is an equidigital number, since it uses as much as digits as its factorization.

1693473797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54628218.

The product of its digits is 6001128, while the sum is 56.

The square root of 1693473797 is about 41151.8383185976. The cubic root of 1693473797 is about 1191.9539954637.

The spelling of 1693473797 in words is "one billion, six hundred ninety-three million, four hundred seventy-three thousand, seven hundred ninety-seven".