19712693051 has 2 divisors, whose sum is σ = 19712693052. Its totient is φ = 19712693050.

The previous prime is 19712693029. The next prime is 19712693069. The reversal of 19712693051 is 15039621791.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19712693051 - 2²⁶ = 19645584187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19712692993 and 19712693011.

It is not a weakly prime, because it can be changed into another prime (19712693071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9856346525 + 9856346526.

It is an arithmetic number, because the mean of its divisors is an integer number (9856346526).

Almost surely, 2^19712693051 is an apocalyptic number.

19712693051 is a deficient number, since it is larger than the sum of its proper divisors (1).

19712693051 is an equidigital number, since it uses as much as digits as its factorization.

19712693051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 44.

The spelling of 19712693051 in words is "nineteen billion, seven hundred twelve million, six hundred ninety-three thousand, fifty-one".