1983345699 has 16 divisors (see below), whose sum is σ = 2741796000. Its totient is φ = 1273767936.

The previous prime is 1983345697. The next prime is 1983345709. The reversal of 1983345699 is 9965433891.

It is not a de Polignac number, because 1983345699 - 2¹ = 1983345697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1983345697) 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 15 ways as a sum of consecutive naturals, for example, 13677 + ... + 64449.

It is an arithmetic number, because the mean of its divisors is an integer number (171362250).

Almost surely, 2^1983345699 is an apocalyptic number.

1983345699 is a deficient number, since it is larger than the sum of its proper divisors (758450301).

1983345699 is a wasteful number, since it uses less digits than its factorization.

1983345699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51254.

The product of its digits is 6298560, while the sum is 57.

The square root of 1983345699 is about 44534.7695514415. The cubic root of 1983345699 is about 1256.4141134771.

The spelling of 1983345699 in words is "one billion, nine hundred eighty-three million, three hundred forty-five thousand, six hundred ninety-nine".