2493793370161 has 2 divisors, whose sum is σ = 2493793370162. Its totient is φ = 2493793370160.

The previous prime is 2493793370111. The next prime is 2493793370207. The reversal of 2493793370161 is 1610733973942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1375328489536 + 1118464880625 = 1172744^2 + 1057575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2493793370161 is a prime.

It is not a weakly prime, because it can be changed into another prime (2493793370111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1246896685080 + 1246896685081.

It is an arithmetic number, because the mean of its divisors is an integer number (1246896685081).

Almost surely, 2^{2493793370161} is an apocalyptic number.

It is an amenable number.

2493793370161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2493793370161 is an equidigital number, since it uses as much as digits as its factorization.

2493793370161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5143824, while the sum is 55.

The spelling of 2493793370161 in words is "two trillion, four hundred ninety-three billion, seven hundred ninety-three million, three hundred seventy thousand, one hundred sixty-one".