7154315549 has 2 divisors, whose sum is σ = 7154315550. Its totient is φ = 7154315548.

The previous prime is 7154315527. The next prime is 7154315593. The reversal of 7154315549 is 9455134517.

It is an a-pointer prime, because the next prime (7154315593) can be obtained adding 7154315549 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6504422500 + 649893049 = 80650^2 + 25493^2 .

It is a cyclic number.

It is not a de Polignac number, because 7154315549 - 2²⁰ = 7153266973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7154315149) 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, 3577157774 + 3577157775.

It is an arithmetic number, because the mean of its divisors is an integer number (3577157775).

Almost surely, 2^7154315549 is an apocalyptic number.

It is an amenable number.

7154315549 is a deficient number, since it is larger than the sum of its proper divisors (1).

7154315549 is an equidigital number, since it uses as much as digits as its factorization.

7154315549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 44.

The square root of 7154315549 is about 84583.1871532399. The cubic root of 7154315549 is about 1926.8860403450.

The spelling of 7154315549 in words is "seven billion, one hundred fifty-four million, three hundred fifteen thousand, five hundred forty-nine".