6151545949 has 2 divisors, whose sum is σ = 6151545950. Its totient is φ = 6151545948.

The previous prime is 6151545923. The next prime is 6151545971. The reversal of 6151545949 is 9495451516.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5252625625 + 898920324 = 72475^2 + 29982^2 .

It is a cyclic number.

It is not a de Polignac number, because 6151545949 - 2¹³ = 6151537757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6151549949) 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, 3075772974 + 3075772975.

It is an arithmetic number, because the mean of its divisors is an integer number (3075772975).

Almost surely, 2^6151545949 is an apocalyptic number.

It is an amenable number.

6151545949 is a deficient number, since it is larger than the sum of its proper divisors (1).

6151545949 is an equidigital number, since it uses as much as digits as its factorization.

6151545949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972000, while the sum is 49.

The square root of 6151545949 is about 78431.7916982648. The cubic root of 6151545949 is about 1832.2923038300.

The spelling of 6151545949 in words is "six billion, one hundred fifty-one million, five hundred forty-five thousand, nine hundred forty-nine".