4149456061 has 2 divisors, whose sum is σ = 4149456062. Its totient is φ = 4149456060.

The previous prime is 4149455971. The next prime is 4149456071. The reversal of 4149456061 is 1606549414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3562896100 + 586559961 = 59690^2 + 24219^2 .

It is a cyclic number.

It is not a de Polignac number, because 4149456061 - 2⁹ = 4149455549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4149456071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2074728030 + 2074728031.

It is an arithmetic number, because the mean of its divisors is an integer number (2074728031).

Almost surely, 2^4149456061 is an apocalyptic number.

It is an amenable number.

4149456061 is a deficient number, since it is larger than the sum of its proper divisors (1).

4149456061 is an equidigital number, since it uses as much as digits as its factorization.

4149456061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 4149456061 is about 64416.2717098716. The cubic root of 4149456061 is about 1606.9303625643.

The spelling of 4149456061 in words is "four billion, one hundred forty-nine million, four hundred fifty-six thousand, sixty-one".