4131440977 has 2 divisors, whose sum is σ = 4131440978. Its totient is φ = 4131440976.

The previous prime is 4131440923. The next prime is 4131440981. The reversal of 4131440977 is 7790441314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2209846081 + 1921594896 = 47009^2 + 43836^2 .

It is a cyclic number.

It is not a de Polignac number, because 4131440977 - 2²³ = 4123052369 is a prime.

It is not a weakly prime, because it can be changed into another prime (4131440917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2065720488 + 2065720489.

It is an arithmetic number, because the mean of its divisors is an integer number (2065720489).

Almost surely, 2^4131440977 is an apocalyptic number.

It is an amenable number.

4131440977 is a deficient number, since it is larger than the sum of its proper divisors (1).

4131440977 is an equidigital number, since it uses as much as digits as its factorization.

4131440977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 4131440977 is about 64276.2862726216. The cubic root of 4131440977 is about 1604.6014644389.

The spelling of 4131440977 in words is "four billion, one hundred thirty-one million, four hundred forty thousand, nine hundred seventy-seven".