4620734821 has 2 divisors, whose sum is σ = 4620734822. Its totient is φ = 4620734820.

The previous prime is 4620734771. The next prime is 4620734831. The reversal of 4620734821 is 1284370264.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3765172321 + 855562500 = 61361^2 + 29250^2 .

It is a cyclic number.

It is not a de Polignac number, because 4620734821 - 2⁹ = 4620734309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4620734831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2310367410 + 2310367411.

It is an arithmetic number, because the mean of its divisors is an integer number (2310367411).

Almost surely, 2^4620734821 is an apocalyptic number.

It is an amenable number.

4620734821 is a deficient number, since it is larger than the sum of its proper divisors (1).

4620734821 is an equidigital number, since it uses as much as digits as its factorization.

4620734821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 4620734821 is about 67975.9870910309. The cubic root of 4620734821 is about 1665.5986053243.

The spelling of 4620734821 in words is "four billion, six hundred twenty million, seven hundred thirty-four thousand, eight hundred twenty-one".