4277432641 has 2 divisors, whose sum is σ = 4277432642. Its totient is φ = 4277432640.

The previous prime is 4277432597. The next prime is 4277432657. The reversal of 4277432641 is 1462347724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3518981041 + 758451600 = 59321^2 + 27540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4277432641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4277432594 and 4277432603.

It is not a weakly prime, because it can be changed into another prime (4277432941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2138716320 + 2138716321.

It is an arithmetic number, because the mean of its divisors is an integer number (2138716321).

Almost surely, 2^4277432641 is an apocalyptic number.

It is an amenable number.

4277432641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4277432641 is an equidigital number, since it uses as much as digits as its factorization.

4277432641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 40.

The square root of 4277432641 is about 65402.0843780991. The cubic root of 4277432641 is about 1623.2835703251.

The spelling of 4277432641 in words is "four billion, two hundred seventy-seven million, four hundred thirty-two thousand, six hundred forty-one".