Search a number
-
+
4138725719 is a prime number
BaseRepresentation
bin1111011010101111…
…1111000101010111
3101200102202001100202
43312223333011113
531434003210334
61522403131115
7204363405512
oct36653770527
911612661322
104138725719
111834225987
12976073a9b
1350c5a3a3b
142b3945d79
1519352917e
hexf6aff157

4138725719 has 2 divisors, whose sum is σ = 4138725720. Its totient is φ = 4138725718.

The previous prime is 4138725677. The next prime is 4138725727. The reversal of 4138725719 is 9175278314.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4138725719 - 212 = 4138721623 is a prime.

It is a super-2 number, since 2×41387257192 = 34258101154224133922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4138725739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2069362859 + 2069362860.

It is an arithmetic number, because the mean of its divisors is an integer number (2069362860).

Almost surely, 24138725719 is an apocalyptic number.

4138725719 is a deficient number, since it is larger than the sum of its proper divisors (1).

4138725719 is an equidigital number, since it uses as much as digits as its factorization.

4138725719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 47.

The square root of 4138725719 is about 64332.9287301612. The cubic root of 4138725719 is about 1605.5440124277.

The spelling of 4138725719 in words is "four billion, one hundred thirty-eight million, seven hundred twenty-five thousand, seven hundred nineteen".