19542000933 has 48 divisors (see below), whose sum is σ = 34760742016. Its totient is φ = 10302111360.

The previous prime is 19542000913. The next prime is 19542000949. The reversal of 19542000933 is 33900024591.

It is a happy number.

It is not a de Polignac number, because 19542000933 - 2⁵ = 19542000901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19542000913) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1739691 + ... + 1750887.

Almost surely, 2^19542000933 is an apocalyptic number.

19542000933 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

19542000933 is a deficient number, since it is larger than the sum of its proper divisors (15218741083).

19542000933 is a wasteful number, since it uses less digits than its factorization.

19542000933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13354 (or 13351 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The spelling of 19542000933 in words is "nineteen billion, five hundred forty-two million, nine hundred thirty-three", and thus it is an aban number.