19537414213 has 2 divisors, whose sum is σ = 19537414214. Its totient is φ = 19537414212.

The previous prime is 19537414181. The next prime is 19537414241. The reversal of 19537414213 is 31241473591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19211900449 + 325513764 = 138607^2 + 18042^2 .

It is an emirp because it is prime and its reverse (31241473591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19537414213 - 2⁵ = 19537414181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19537414283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9768707106 + 9768707107.

It is an arithmetic number, because the mean of its divisors is an integer number (9768707107).

Almost surely, 2^19537414213 is an apocalyptic number.

It is an amenable number.

19537414213 is a deficient number, since it is larger than the sum of its proper divisors (1).

19537414213 is an equidigital number, since it uses as much as digits as its factorization.

19537414213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The spelling of 19537414213 in words is "nineteen billion, five hundred thirty-seven million, four hundred fourteen thousand, two hundred thirteen".