19483952167969 has 9 divisors (see below), whose sum is σ = 20024945576307. Its totient is φ = 18957199959864.

The previous prime is 19483952167963. The next prime is 19483952167993. The reversal of 19483952167969 is 96976125938491.

It is a happy number.

The square root of 19483952167969 is 4414063.

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., 17434507966225 + 2049444201744 = 4175465^2 + 1431588^2 .

It is not a de Polignac number, because 19483952167969 - 2³ = 19483952167961 is a prime.

It is a super-2 number, since 2×19483952167969² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19483952167961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 163260682 + ... + 163379980.

It is an arithmetic number, because the mean of its divisors is an integer number (2224993952923).

Almost surely, 2^{19483952167969} is an apocalyptic number.

19483952167969 is the 4414063-rd square number.

19483952167969 is the 2207032-nd centered octagonal number.

It is an amenable number.

19483952167969 is a deficient number, since it is larger than the sum of its proper divisors (540993408338).

19483952167969 is an frugal number, since it uses more digits than its factorization.

19483952167969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238672 (or 119336 counting only the distinct ones).

The product of its digits is 1587237120, while the sum is 79.

The spelling of 19483952167969 in words is "nineteen trillion, four hundred eighty-three billion, nine hundred fifty-two million, one hundred sixty-seven thousand, nine hundred sixty-nine".