4421953477 has 2 divisors, whose sum is σ = 4421953478. Its totient is φ = 4421953476.

The previous prime is 4421953463. The next prime is 4421953489. The reversal of 4421953477 is 7743591244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2523957121 + 1897996356 = 50239^2 + 43566^2 .

It is a cyclic number.

It is not a de Polignac number, because 4421953477 - 2¹⁵ = 4421920709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4421963477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210976738 + 2210976739.

It is an arithmetic number, because the mean of its divisors is an integer number (2210976739).

Almost surely, 2^4421953477 is an apocalyptic number.

It is an amenable number.

4421953477 is a deficient number, since it is larger than the sum of its proper divisors (1).

4421953477 is an equidigital number, since it uses as much as digits as its factorization.

4421953477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 46.

The square root of 4421953477 is about 66497.7704663848. The cubic root of 4421953477 is about 1641.3633167254.

The spelling of 4421953477 in words is "four billion, four hundred twenty-one million, nine hundred fifty-three thousand, four hundred seventy-seven".