1163858263 has 2 divisors, whose sum is σ = 1163858264. Its totient is φ = 1163858262.

The previous prime is 1163858231. The next prime is 1163858299. The reversal of 1163858263 is 3628583611.

It is a weak prime.

It is an emirp because it is prime and its reverse (3628583611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1163858263 - 2⁵ = 1163858231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1163808263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581929131 + 581929132.

It is an arithmetic number, because the mean of its divisors is an integer number (581929132).

Almost surely, 2^1163858263 is an apocalyptic number.

1163858263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163858263 is an equidigital number, since it uses as much as digits as its factorization.

1163858263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 43.

The square root of 1163858263 is about 34115.3669627047. The cubic root of 1163858263 is about 1051.8812119798.

The spelling of 1163858263 in words is "one billion, one hundred sixty-three million, eight hundred fifty-eight thousand, two hundred sixty-three".