1693045965 has 64 divisors (see below), whose sum is σ = 2963423232. Its totient is φ = 820435200.

The previous prime is 1693045961. The next prime is 1693046029. The reversal of 1693045965 is 5695403961.

It is a happy number.

It is not a de Polignac number, because 1693045965 - 2² = 1693045961 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1693045961) 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 63 ways as a sum of consecutive naturals, for example, 4878922 + ... + 4879268.

It is an arithmetic number, because the mean of its divisors is an integer number (46303488).

Almost surely, 2^1693045965 is an apocalyptic number.

1693045965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1693045965 is a deficient number, since it is larger than the sum of its proper divisors (1270377267).

1693045965 is a wasteful number, since it uses less digits than its factorization.

1693045965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690.

The product of its (nonzero) digits is 874800, while the sum is 48.

The square root of 1693045965 is about 41146.6397777510. The cubic root of 1693045965 is about 1191.8536102845.

The spelling of 1693045965 in words is "one billion, six hundred ninety-three million, forty-five thousand, nine hundred sixty-five".