1983207263 has 2 divisors, whose sum is σ = 1983207264. Its totient is φ = 1983207262.

The previous prime is 1983207221. The next prime is 1983207283. The reversal of 1983207263 is 3627023891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1983207263 - 2⁸ = 1983207007 is a prime.

It is a super-2 number, since 2×1983207263² = 7866222096031902338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1983207263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1983207283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991603631 + 991603632.

It is an arithmetic number, because the mean of its divisors is an integer number (991603632).

Almost surely, 2^1983207263 is an apocalyptic number.

1983207263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1983207263 is an equidigital number, since it uses as much as digits as its factorization.

1983207263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 1983207263 is about 44533.2152780371. The cubic root of 1983207263 is about 1256.3848805516.

The spelling of 1983207263 in words is "one billion, nine hundred eighty-three million, two hundred seven thousand, two hundred sixty-three".