2203981456477 has 2 divisors, whose sum is σ = 2203981456478. Its totient is φ = 2203981456476.

The previous prime is 2203981456441. The next prime is 2203981456531. The reversal of 2203981456477 is 7746541893022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1926693906916 + 277287549561 = 1388054^2 + 526581^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203981456477 - 2²³ = 2203973067869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2203981856477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101990728238 + 1101990728239.

It is an arithmetic number, because the mean of its divisors is an integer number (1101990728239).

It is a 1-persistent number, because it is pandigital, but 2⋅2203981456477 = 4407962912954 is not.

Almost surely, 2^{2203981456477} is an apocalyptic number.

It is an amenable number.

2203981456477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203981456477 is an equidigital number, since it uses as much as digits as its factorization.

2203981456477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 2203981456477 in words is "two trillion, two hundred three billion, nine hundred eighty-one million, four hundred fifty-six thousand, four hundred seventy-seven".