4049149877 has 2 divisors, whose sum is σ = 4049149878. Its totient is φ = 4049149876.

The previous prime is 4049149849. The next prime is 4049149903. The reversal of 4049149877 is 7789419404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2848250161 + 1200899716 = 53369^2 + 34654^2 .

It is a cyclic number.

It is not a de Polignac number, because 4049149877 - 2³⁰ = 2975408053 is a prime.

It is a super-2 number, since 2×4049149877² = 32791229452818230258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4049149837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2024574938 + 2024574939.

It is an arithmetic number, because the mean of its divisors is an integer number (2024574939).

Almost surely, 2^4049149877 is an apocalyptic number.

It is an amenable number.

4049149877 is a deficient number, since it is larger than the sum of its proper divisors (1).

4049149877 is an equidigital number, since it uses as much as digits as its factorization.

4049149877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The square root of 4049149877 is about 63632.9307591596. The cubic root of 4049149877 is about 1593.8763162792.

The spelling of 4049149877 in words is "four billion, forty-nine million, one hundred forty-nine thousand, eight hundred seventy-seven".