4860545621 has 2 divisors, whose sum is σ = 4860545622. Its totient is φ = 4860545620.

The previous prime is 4860545593. The next prime is 4860545639. The reversal of 4860545621 is 1265450684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4525252900 + 335292721 = 67270^2 + 18311^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4860545621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4860545681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2430272810 + 2430272811.

It is an arithmetic number, because the mean of its divisors is an integer number (2430272811).

Almost surely, 2^4860545621 is an apocalyptic number.

It is an amenable number.

4860545621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4860545621 is an equidigital number, since it uses as much as digits as its factorization.

4860545621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 4860545621 is about 69717.6134201394. The cubic root of 4860545621 is about 1693.9282383816.

The spelling of 4860545621 in words is "four billion, eight hundred sixty million, five hundred forty-five thousand, six hundred twenty-one".