19463762947 has 2 divisors, whose sum is σ = 19463762948. Its totient is φ = 19463762946.

The previous prime is 19463762909. The next prime is 19463762953. The reversal of 19463762947 is 74926736491.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19463762947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19463762891 and 19463762900.

It is not a weakly prime, because it can be changed into another prime (19463762957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9731881473 + 9731881474.

It is an arithmetic number, because the mean of its divisors is an integer number (9731881474).

Almost surely, 2^19463762947 is an apocalyptic number.

19463762947 is a deficient number, since it is larger than the sum of its proper divisors (1).

19463762947 is an equidigital number, since it uses as much as digits as its factorization.

19463762947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13716864, while the sum is 58.

The spelling of 19463762947 in words is "nineteen billion, four hundred sixty-three million, seven hundred sixty-two thousand, nine hundred forty-seven".