2193931152037 has 2 divisors, whose sum is σ = 2193931152038. Its totient is φ = 2193931152036.

The previous prime is 2193931152019. The next prime is 2193931152053. The reversal of 2193931152037 is 7302511393912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1322497700001 + 871433452036 = 1149999^2 + 933506^2 .

It is a cyclic number.

It is not a de Polignac number, because 2193931152037 - 2³⁹ = 1644175338149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2193931152437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1096965576018 + 1096965576019.

It is an arithmetic number, because the mean of its divisors is an integer number (1096965576019).

Almost surely, 2^{2193931152037} is an apocalyptic number.

It is an amenable number.

2193931152037 is a deficient number, since it is larger than the sum of its proper divisors (1).

2193931152037 is an equidigital number, since it uses as much as digits as its factorization.

2193931152037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180, while the sum is 46.

The spelling of 2193931152037 in words is "two trillion, one hundred ninety-three billion, nine hundred thirty-one million, one hundred fifty-two thousand, thirty-seven".