1058818949 has 2 divisors, whose sum is σ = 1058818950. Its totient is φ = 1058818948.

The previous prime is 1058818933. The next prime is 1058818963. The reversal of 1058818949 is 9498188501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 556252225 + 502566724 = 23585^2 + 22418^2 .

It is an emirp because it is prime and its reverse (9498188501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1058818949 - 2⁴ = 1058818933 is a prime.

It is a super-2 number, since 2×1058818949² = 2242195133522929202, 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 1058818949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1058812949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529409474 + 529409475.

It is an arithmetic number, because the mean of its divisors is an integer number (529409475).

Almost surely, 2^1058818949 is an apocalyptic number.

It is an amenable number.

1058818949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1058818949 is an equidigital number, since it uses as much as digits as its factorization.

1058818949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 53.

The square root of 1058818949 is about 32539.4982905391. The cubic root of 1058818949 is about 1019.2339978104.

The spelling of 1058818949 in words is "one billion, fifty-eight million, eight hundred eighteen thousand, nine hundred forty-nine".