19360946947 has 2 divisors, whose sum is σ = 19360946948. Its totient is φ = 19360946946.

The previous prime is 19360946929. The next prime is 19360946951. The reversal of 19360946947 is 74964906391.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19360946947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19360946891 and 19360946900.

It is not a weakly prime, because it can be changed into another prime (19360946147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9680473473 + 9680473474.

It is an arithmetic number, because the mean of its divisors is an integer number (9680473474).

Almost surely, 2^19360946947 is an apocalyptic number.

19360946947 is a deficient number, since it is larger than the sum of its proper divisors (1).

19360946947 is an equidigital number, since it uses as much as digits as its factorization.

19360946947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8817984, while the sum is 58.

The spelling of 19360946947 in words is "nineteen billion, three hundred sixty million, nine hundred forty-six thousand, nine hundred forty-seven".