203325330639961 has 2 divisors, whose sum is σ = 203325330639962. Its totient is φ = 203325330639960.

The previous prime is 203325330639953. The next prime is 203325330640009. The reversal of 203325330639961 is 169936033523302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203143305537225 + 182025102736 = 14252835^2 + 426644^2 .

It is a cyclic number.

It is not a de Polignac number, because 203325330639961 - 2³ = 203325330639953 is a prime.

It is not a weakly prime, because it can be changed into another prime (203325330639061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101662665319980 + 101662665319981.

It is an arithmetic number, because the mean of its divisors is an integer number (101662665319981).

Almost surely, 2^{203325330639961} is an apocalyptic number.

It is an amenable number.

203325330639961 is a deficient number, since it is larger than the sum of its proper divisors (1).

203325330639961 is an equidigital number, since it uses as much as digits as its factorization.

203325330639961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14171760, while the sum is 55.

The spelling of 203325330639961 in words is "two hundred three trillion, three hundred twenty-five billion, three hundred thirty million, six hundred thirty-nine thousand, nine hundred sixty-one".