4858999603961 has 2 divisors, whose sum is σ = 4858999603962. Its totient is φ = 4858999603960.

The previous prime is 4858999603813. The next prime is 4858999604033. The reversal of 4858999603961 is 1693069998584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2936575758736 + 1922423845225 = 1713644^2 + 1386515^2 .

It is a cyclic number.

It is not a de Polignac number, because 4858999603961 - 2¹⁴ = 4858999587577 is a prime.

It is not a weakly prime, because it can be changed into another prime (4858999603361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2429499801980 + 2429499801981.

It is an arithmetic number, because the mean of its divisors is an integer number (2429499801981).

Almost surely, 2^{4858999603961} is an apocalyptic number.

It is an amenable number.

4858999603961 is a deficient number, since it is larger than the sum of its proper divisors (1).

4858999603961 is an equidigital number, since it uses as much as digits as its factorization.

4858999603961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 906992640, while the sum is 77.

The spelling of 4858999603961 in words is "four trillion, eight hundred fifty-eight billion, nine hundred ninety-nine million, six hundred three thousand, nine hundred sixty-one".