1693567340 has 12 divisors (see below), whose sum is σ = 3556491456. Its totient is φ = 677426928.

The previous prime is 1693567327. The next prime is 1693567357. The reversal of 1693567340 is 437653961.

It is a happy number.

It is a super-2 number, since 2×1693567340² = 5736340670229351200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1693567291 and 1693567300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42339164 + ... + 42339203.

It is an arithmetic number, because the mean of its divisors is an integer number (296374288).

Almost surely, 2^1693567340 is an apocalyptic number.

1693567340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1693567340 is an abundant number, since it is smaller than the sum of its proper divisors (1862924116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1693567340 is a wasteful number, since it uses less digits than its factorization.

1693567340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84678376 (or 84678374 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 44.

The square root of 1693567340 is about 41152.9748620923. The cubic root of 1693567340 is about 1191.9759418519.

The spelling of 1693567340 in words is "one billion, six hundred ninety-three million, five hundred sixty-seven thousand, three hundred forty".