19735013747 has 2 divisors, whose sum is σ = 19735013748. Its totient is φ = 19735013746.

The previous prime is 19735013741. The next prime is 19735013777. The reversal of 19735013747 is 74731053791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19735013747 - 2¹⁰ = 19735012723 is a prime.

It is not a weakly prime, because it can be changed into another prime (19735013741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9867506873 + 9867506874.

It is an arithmetic number, because the mean of its divisors is an integer number (9867506874).

Almost surely, 2^19735013747 is an apocalyptic number.

19735013747 is a deficient number, since it is larger than the sum of its proper divisors (1).

19735013747 is an equidigital number, since it uses as much as digits as its factorization.

19735013747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 555660, while the sum is 47.

The spelling of 19735013747 in words is "nineteen billion, seven hundred thirty-five million, thirteen thousand, seven hundred forty-seven".