4046631977 has 2 divisors, whose sum is σ = 4046631978. Its totient is φ = 4046631976.

The previous prime is 4046631971. The next prime is 4046632001. The reversal of 4046631977 is 7791366404.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3251166361 + 795465616 = 57019^2 + 28204^2 .

It is a cyclic number.

It is not a de Polignac number, because 4046631977 - 2²⁰ = 4045583401 is a prime.

It is not a weakly prime, because it can be changed into another prime (4046631971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2023315988 + 2023315989.

It is an arithmetic number, because the mean of its divisors is an integer number (2023315989).

Almost surely, 2^4046631977 is an apocalyptic number.

It is an amenable number.

4046631977 is a deficient number, since it is larger than the sum of its proper divisors (1).

4046631977 is an equidigital number, since it uses as much as digits as its factorization.

4046631977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 4046631977 is about 63613.1431152400. The cubic root of 4046631977 is about 1593.5458721581.

The spelling of 4046631977 in words is "four billion, forty-six million, six hundred thirty-one thousand, nine hundred seventy-seven".