4531956641 has 2 divisors, whose sum is σ = 4531956642. Its totient is φ = 4531956640.

The previous prime is 4531956599. The next prime is 4531956647. The reversal of 4531956641 is 1466591354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4251561616 + 280395025 = 65204^2 + 16745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4531956641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4531956592 and 4531956601.

It is not a weakly prime, because it can be changed into another prime (4531956647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2265978320 + 2265978321.

It is an arithmetic number, because the mean of its divisors is an integer number (2265978321).

Almost surely, 2^4531956641 is an apocalyptic number.

It is an amenable number.

4531956641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4531956641 is an equidigital number, since it uses as much as digits as its factorization.

4531956641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 44.

The square root of 4531956641 is about 67319.8086821405. The cubic root of 4531956641 is about 1654.8625024277.

The spelling of 4531956641 in words is "four billion, five hundred thirty-one million, nine hundred fifty-six thousand, six hundred forty-one".