Search a number
-
+
2454439109 is a prime number
BaseRepresentation
bin1001001001001011…
…1100010011000101
320100001110102111012
42102102330103011
520011314022414
61043315052005
7114552250103
oct22222742305
96301412435
102454439109
11104a515481
12585ba1005
13301669745
14193d90c73
15e572b33e
hex924bc4c5

2454439109 has 2 divisors, whose sum is σ = 2454439110. Its totient is φ = 2454439108.

The previous prime is 2454439027. The next prime is 2454439147. The reversal of 2454439109 is 9019344542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2450745025 + 3694084 = 49505^2 + 1922^2 .

It is a cyclic number.

It is not a de Polignac number, because 2454439109 - 216 = 2454373573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2454439159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1227219554 + 1227219555.

It is an arithmetic number, because the mean of its divisors is an integer number (1227219555).

Almost surely, 22454439109 is an apocalyptic number.

It is an amenable number.

2454439109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2454439109 is an equidigital number, since it uses as much as digits as its factorization.

2454439109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 2454439109 is about 49542.2961619665. The cubic root of 2454439109 is about 1348.9134575136.

The spelling of 2454439109 in words is "two billion, four hundred fifty-four million, four hundred thirty-nine thousand, one hundred nine".