19315735742 has 16 divisors (see below), whose sum is σ = 29189825280. Its totient is φ = 9586058328.

The previous prime is 19315735729. The next prime is 19315735753. The reversal of 19315735742 is 24753751391.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80933 + ... + 212559.

It is an arithmetic number, because the mean of its divisors is an integer number (1824364080).

Almost surely, 2^19315735742 is an apocalyptic number.

19315735742 is a deficient number, since it is larger than the sum of its proper divisors (9874089538).

19315735742 is a wasteful number, since it uses less digits than its factorization.

19315735742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132175.

The product of its digits is 793800, while the sum is 47.

The spelling of 19315735742 in words is "nineteen billion, three hundred fifteen million, seven hundred thirty-five thousand, seven hundred forty-two".