4907822921 has 2 divisors, whose sum is σ = 4907822922. Its totient is φ = 4907822920.

The previous prime is 4907822879. The next prime is 4907822977. The reversal of 4907822921 is 1292287094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4677876025 + 229946896 = 68395^2 + 15164^2 .

It is a cyclic number.

It is not a de Polignac number, because 4907822921 - 2²² = 4903628617 is a prime.

It is not a weakly prime, because it can be changed into another prime (4907822321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2453911460 + 2453911461.

It is an arithmetic number, because the mean of its divisors is an integer number (2453911461).

Almost surely, 2^4907822921 is an apocalyptic number.

It is an amenable number.

4907822921 is a deficient number, since it is larger than the sum of its proper divisors (1).

4907822921 is an equidigital number, since it uses as much as digits as its factorization.

4907822921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 4907822921 is about 70055.8557224162. The cubic root of 4907822921 is about 1699.4026645310.

The spelling of 4907822921 in words is "four billion, nine hundred seven million, eight hundred twenty-two thousand, nine hundred twenty-one".