19946190007 has 2 divisors, whose sum is σ = 19946190008. Its totient is φ = 19946190006.

The previous prime is 19946190001. The next prime is 19946190013. The reversal of 19946190007 is 70009164991.

It is a balanced prime because it is at equal distance from previous prime (19946190001) and next prime (19946190013).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19946190007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19946190001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9973095003 + 9973095004.

It is an arithmetic number, because the mean of its divisors is an integer number (9973095004).

Almost surely, 2^19946190007 is an apocalyptic number.

19946190007 is a deficient number, since it is larger than the sum of its proper divisors (1).

19946190007 is an equidigital number, since it uses as much as digits as its factorization.

19946190007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 46.

The spelling of 19946190007 in words is "nineteen billion, nine hundred forty-six million, one hundred ninety thousand, seven".