2031773199487 has 2 divisors, whose sum is σ = 2031773199488. Its totient is φ = 2031773199486.

The previous prime is 2031773199457. The next prime is 2031773199497. The reversal of 2031773199487 is 7849913771302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2031773199487 - 2¹¹ = 2031773197439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031773199427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015886599743 + 1015886599744.

It is an arithmetic number, because the mean of its divisors is an integer number (1015886599744).

Almost surely, 2^{2031773199487} is an apocalyptic number.

2031773199487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031773199487 is an equidigital number, since it uses as much as digits as its factorization.

2031773199487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16003008, while the sum is 61.

The spelling of 2031773199487 in words is "two trillion, thirty-one billion, seven hundred seventy-three million, one hundred ninety-nine thousand, four hundred eighty-seven".