19535829742 has 32 divisors (see below), whose sum is σ = 34449537024. Its totient is φ = 8191432800.

The previous prime is 19535829739. The next prime is 19535829749. The reversal of 19535829742 is 24792853591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19535829749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426367 + ... + 469957.

It is an arithmetic number, because the mean of its divisors is an integer number (1076548032).

Almost surely, 2^19535829742 is an apocalyptic number.

19535829742 is a deficient number, since it is larger than the sum of its proper divisors (14913707282).

19535829742 is a wasteful number, since it uses less digits than its factorization.

19535829742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45184.

The product of its digits is 5443200, while the sum is 55.

The spelling of 19535829742 in words is "nineteen billion, five hundred thirty-five million, eight hundred twenty-nine thousand, seven hundred forty-two".