19536340023331 has 2 divisors, whose sum is σ = 19536340023332. Its totient is φ = 19536340023330.

The previous prime is 19536340023293. The next prime is 19536340023367. The reversal of 19536340023331 is 13332004363591.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19536340023331 - 2¹¹ = 19536340021283 is a prime.

It is a super-2 number, since 2×19536340023331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (19536340023131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9768170011665 + 9768170011666.

It is an arithmetic number, because the mean of its divisors is an integer number (9768170011666).

Almost surely, 2^{19536340023331} is an apocalyptic number.

19536340023331 is a deficient number, since it is larger than the sum of its proper divisors (1).

19536340023331 is an equidigital number, since it uses as much as digits as its factorization.

19536340023331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 43.

The spelling of 19536340023331 in words is "nineteen trillion, five hundred thirty-six billion, three hundred forty million, twenty-three thousand, three hundred thirty-one".