19130756549 has 16 divisors (see below), whose sum is σ = 20115056640. Its totient is φ = 18170423280.

The previous prime is 19130756543. The next prime is 19130756573. The reversal of 19130756549 is 94565703191.

It is a cyclic number.

It is not a de Polignac number, because 19130756549 - 2³² = 14835789253 is a prime.

It is a super-2 number, since 2×19130756549² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19130756497 and 19130756506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19130756543) 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, 1167914 + ... + 1184180.

It is an arithmetic number, because the mean of its divisors is an integer number (1257191040).

Almost surely, 2^19130756549 is an apocalyptic number.

It is an amenable number.

19130756549 is a deficient number, since it is larger than the sum of its proper divisors (984300091).

19130756549 is a wasteful number, since it uses less digits than its factorization.

19130756549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17000.

The product of its (nonzero) digits is 1020600, while the sum is 50.

The spelling of 19130756549 in words is "nineteen billion, one hundred thirty million, seven hundred fifty-six thousand, five hundred forty-nine".