1983262499 has 2 divisors, whose sum is σ = 1983262500. Its totient is φ = 1983262498.

The previous prime is 1983262433. The next prime is 1983262513. The reversal of 1983262499 is 9942623891.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1983262499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1983262499.

It is not a weakly prime, because it can be changed into another prime (1983262399) 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 as a sum of consecutive naturals, namely, 991631249 + 991631250.

It is an arithmetic number, because the mean of its divisors is an integer number (991631250).

Almost surely, 2^1983262499 is an apocalyptic number.

1983262499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1983262499 is an equidigital number, since it uses as much as digits as its factorization.

1983262499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 53.

The square root of 1983262499 is about 44533.8354400337. The cubic root of 1983262499 is about 1256.3965446596.

The spelling of 1983262499 in words is "one billion, nine hundred eighty-three million, two hundred sixty-two thousand, four hundred ninety-nine".