19706098051 has 2 divisors, whose sum is σ = 19706098052. Its totient is φ = 19706098050.

The previous prime is 19706098031. The next prime is 19706098109. The reversal of 19706098051 is 15089060791.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19706098051 - 2¹³ = 19706089859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19706097992 and 19706098010.

It is not a weakly prime, because it can be changed into another prime (19706098031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9853049025 + 9853049026.

It is an arithmetic number, because the mean of its divisors is an integer number (9853049026).

Almost surely, 2^19706098051 is an apocalyptic number.

19706098051 is a deficient number, since it is larger than the sum of its proper divisors (1).

19706098051 is an equidigital number, since it uses as much as digits as its factorization.

19706098051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 46.

The spelling of 19706098051 in words is "nineteen billion, seven hundred six million, ninety-eight thousand, fifty-one".