4950527921 has 2 divisors, whose sum is σ = 4950527922. Its totient is φ = 4950527920.

The previous prime is 4950527909. The next prime is 4950528031. The reversal of 4950527921 is 1297250594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2514019600 + 2436508321 = 50140^2 + 49361^2 .

It is a cyclic number.

It is not a de Polignac number, because 4950527921 - 2¹⁰ = 4950526897 is a prime.

It is not a weakly prime, because it can be changed into another prime (4950521921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2475263960 + 2475263961.

It is an arithmetic number, because the mean of its divisors is an integer number (2475263961).

Almost surely, 2^4950527921 is an apocalyptic number.

It is an amenable number.

4950527921 is a deficient number, since it is larger than the sum of its proper divisors (1).

4950527921 is an equidigital number, since it uses as much as digits as its factorization.

4950527921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 4950527921 is about 70359.9880685038. The cubic root of 4950527921 is about 1704.3175054402.

The spelling of 4950527921 in words is "four billion, nine hundred fifty million, five hundred twenty-seven thousand, nine hundred twenty-one".