19761330133 has 16 divisors (see below), whose sum is σ = 21528864000. Its totient is φ = 18067154112.

The previous prime is 19761330119. The next prime is 19761330137. The reversal of 19761330133 is 33103316791.

It is a de Polignac number, because none of the positive numbers 2^k-19761330133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19761330092 and 19761330101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19761330137) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1357588 + ... + 1372066.

It is an arithmetic number, because the mean of its divisors is an integer number (1345554000).

Almost surely, 2^19761330133 is an apocalyptic number.

It is an amenable number.

19761330133 is a deficient number, since it is larger than the sum of its proper divisors (1767533867).

19761330133 is a wasteful number, since it uses less digits than its factorization.

19761330133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17004.

The product of its (nonzero) digits is 30618, while the sum is 37.

The spelling of 19761330133 in words is "nineteen billion, seven hundred sixty-one million, three hundred thirty thousand, one hundred thirty-three".