1693476340 has 12 divisors (see below), whose sum is σ = 3556300356. Its totient is φ = 677390528.

The previous prime is 1693476331. The next prime is 1693476383. The reversal of 1693476340 is 436743961.

It can be written as a sum of positive squares in 2 ways, for example, as 313502436 + 1379973904 = 17706^2 + 37148^2 .

It is a super-2 number, since 2×1693476340² = 5735724228279591200, which contains 22 as substring.

It is a congruent number.

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, 42336889 + ... + 42336928.

It is an arithmetic number, because the mean of its divisors is an integer number (296358363).

Almost surely, 2^1693476340 is an apocalyptic number.

1693476340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1693476340 is an abundant number, since it is smaller than the sum of its proper divisors (1862824016).

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

1693476340 is a wasteful number, since it uses less digits than its factorization.

1693476340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84673826 (or 84673824 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 1693476340 is about 41151.8692163552. The cubic root of 1693476340 is about 1191.9545920949.

The spelling of 1693476340 in words is "one billion, six hundred ninety-three million, four hundred seventy-six thousand, three hundred forty".