7284540149 has 2 divisors, whose sum is σ = 7284540150. Its totient is φ = 7284540148.

The previous prime is 7284540143. The next prime is 7284540209. The reversal of 7284540149 is 9410454827.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4939559524 + 2344980625 = 70282^2 + 48425^2 .

It is a cyclic number.

It is not a de Polignac number, because 7284540149 - 2²⁰ = 7283491573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7284540143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3642270074 + 3642270075.

It is an arithmetic number, because the mean of its divisors is an integer number (3642270075).

Almost surely, 2^7284540149 is an apocalyptic number.

It is an amenable number.

7284540149 is a deficient number, since it is larger than the sum of its proper divisors (1).

7284540149 is an equidigital number, since it uses as much as digits as its factorization.

7284540149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 7284540149 is about 85349.5175674708. The cubic root of 7284540149 is about 1938.5070304843.

The spelling of 7284540149 in words is "seven billion, two hundred eighty-four million, five hundred forty thousand, one hundred forty-nine".