4296556921 has 2 divisors, whose sum is σ = 4296556922. Its totient is φ = 4296556920.

The previous prime is 4296556889. The next prime is 4296556937. The reversal of 4296556921 is 1296556924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3682062400 + 614494521 = 60680^2 + 24789^2 .

It is a cyclic number.

It is not a de Polignac number, because 4296556921 - 2⁵ = 4296556889 is a prime.

It is not a weakly prime, because it can be changed into another prime (4296556991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2148278460 + 2148278461.

It is an arithmetic number, because the mean of its divisors is an integer number (2148278461).

Almost surely, 2^4296556921 is an apocalyptic number.

It is an amenable number.

4296556921 is a deficient number, since it is larger than the sum of its proper divisors (1).

4296556921 is an equidigital number, since it uses as much as digits as its factorization.

4296556921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 49.

The square root of 4296556921 is about 65548.1267543169. The cubic root of 4296556921 is about 1625.6991921002.

The spelling of 4296556921 in words is "four billion, two hundred ninety-six million, five hundred fifty-six thousand, nine hundred twenty-one".