Search a number
-
+
5978616949 is a prime number
BaseRepresentation
bin1011001000101101…
…00111010001110101
3120102122211012122101
411210112213101311
544221011220244
62425130302101
7301104256054
oct54426472165
916378735571
105978616949
112598856448
1211aa287931
1374381cc86
1440a04439b
1524ed120d4
hex1645a7475

5978616949 has 2 divisors, whose sum is σ = 5978616950. Its totient is φ = 5978616948.

The previous prime is 5978616923. The next prime is 5978616953. The reversal of 5978616949 is 9496168795.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5020714449 + 957902500 = 70857^2 + 30950^2 .

It is a cyclic number.

It is not a de Polignac number, because 5978616949 - 231 = 3831133301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5978616979) 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, 2989308474 + 2989308475.

It is an arithmetic number, because the mean of its divisors is an integer number (2989308475).

Almost surely, 25978616949 is an apocalyptic number.

It is an amenable number.

5978616949 is a deficient number, since it is larger than the sum of its proper divisors (1).

5978616949 is an equidigital number, since it uses as much as digits as its factorization.

5978616949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29393280, while the sum is 64.

The square root of 5978616949 is about 77321.5167272345. The cubic root of 5978616949 is about 1814.9593799266.

The spelling of 5978616949 in words is "five billion, nine hundred seventy-eight million, six hundred sixteen thousand, nine hundred forty-nine".