2178483043937 has 2 divisors, whose sum is σ = 2178483043938. Its totient is φ = 2178483043936.

The previous prime is 2178483043843. The next prime is 2178483043993. The reversal of 2178483043937 is 7393403848712.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1117663382416 + 1060819661521 = 1057196^2 + 1029961^2 .

It is a cyclic number.

It is not a de Polignac number, because 2178483043937 - 2¹⁰ = 2178483042913 is a prime.

It is not a weakly prime, because it can be changed into another prime (2178483042937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1089241521968 + 1089241521969.

It is an arithmetic number, because the mean of its divisors is an integer number (1089241521969).

Almost surely, 2^{2178483043937} is an apocalyptic number.

It is an amenable number.

2178483043937 is a deficient number, since it is larger than the sum of its proper divisors (1).

2178483043937 is an equidigital number, since it uses as much as digits as its factorization.

2178483043937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24385536, while the sum is 59.

The spelling of 2178483043937 in words is "two trillion, one hundred seventy-eight billion, four hundred eighty-three million, forty-three thousand, nine hundred thirty-seven".