19332955849 has 9 divisors (see below), whose sum is σ = 20539595847. Its totient is φ = 18193498464.

The previous prime is 19332955823. The next prime is 19332955853. The reversal of 19332955849 is 94855923391.

The square root of 19332955849 is 139043.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 15051609225 + 4281346624 = 122685^2 + 65432^2 .

It is not a de Polignac number, because 19332955849 - 2⁹ = 19332955337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19332955793 and 19332955802.

It is not an unprimeable number, because it can be changed into a prime (19332955819) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2359642 + ... + 2367820.

Almost surely, 2^19332955849 is an apocalyptic number.

19332955849 is the 139043-rd square number.

19332955849 is the 69522-nd centered octagonal number.

It is an amenable number.

19332955849 is a deficient number, since it is larger than the sum of its proper divisors (1206639998).

19332955849 is an frugal number, since it uses more digits than its factorization.

19332955849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16392 (or 8196 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 58.

The spelling of 19332955849 in words is "nineteen billion, three hundred thirty-two million, nine hundred fifty-five thousand, eight hundred forty-nine".