19934852137411 has 2 divisors, whose sum is σ = 19934852137412. Its totient is φ = 19934852137410.

The previous prime is 19934852137393. The next prime is 19934852137427. The reversal of 19934852137411 is 11473125843991.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19934852137411 is a prime.

It is not a weakly prime, because it can be changed into another prime (19934852137471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9967426068705 + 9967426068706.

It is an arithmetic number, because the mean of its divisors is an integer number (9967426068706).

Almost surely, 2^{19934852137411} is an apocalyptic number.

19934852137411 is a deficient number, since it is larger than the sum of its proper divisors (1).

19934852137411 is an equidigital number, since it uses as much as digits as its factorization.

19934852137411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 58.

The spelling of 19934852137411 in words is "nineteen trillion, nine hundred thirty-four billion, eight hundred fifty-two million, one hundred thirty-seven thousand, four hundred eleven".