4147156549 has 2 divisors, whose sum is σ = 4147156550. Its totient is φ = 4147156548.

The previous prime is 4147156537. The next prime is 4147156567. The reversal of 4147156549 is 9456517414.

4147156549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3251052324 + 896104225 = 57018^2 + 29935^2 .

It is a cyclic number.

It is not a de Polignac number, because 4147156549 - 2¹⁵ = 4147123781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4147156499 and 4147156508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4147156529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2073578274 + 2073578275.

It is an arithmetic number, because the mean of its divisors is an integer number (2073578275).

Almost surely, 2^4147156549 is an apocalyptic number.

It is an amenable number.

4147156549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4147156549 is an equidigital number, since it uses as much as digits as its factorization.

4147156549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 46.

The square root of 4147156549 is about 64398.4203921183. The cubic root of 4147156549 is about 1606.6334691569.

The spelling of 4147156549 in words is "four billion, one hundred forty-seven million, one hundred fifty-six thousand, five hundred forty-nine".