4608874945921 has 2 divisors, whose sum is σ = 4608874945922. Its totient is φ = 4608874945920.

The previous prime is 4608874945847. The next prime is 4608874945967. The reversal of 4608874945921 is 1295494788064.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4608127689025 + 747256896 = 2146655^2 + 27336^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4608874945921 is a prime.

It is not a weakly prime, because it can be changed into another prime (4608874945421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2304437472960 + 2304437472961.

It is an arithmetic number, because the mean of its divisors is an integer number (2304437472961).

Almost surely, 2^{4608874945921} is an apocalyptic number.

It is an amenable number.

4608874945921 is a deficient number, since it is larger than the sum of its proper divisors (1).

4608874945921 is an equidigital number, since it uses as much as digits as its factorization.

4608874945921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139345920, while the sum is 67.

The spelling of 4608874945921 in words is "four trillion, six hundred eight billion, eight hundred seventy-four million, nine hundred forty-five thousand, nine hundred twenty-one".