19258941073 has 4 divisors (see below), whose sum is σ = 19259718948. Its totient is φ = 19258163200.

The previous prime is 19258941047. The next prime is 19258941109. The reversal of 19258941073 is 37014985291.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37014985291 = 71 ⋅521337821.

It can be written as a sum of positive squares in 2 ways, for example, as 12537728784 + 6721212289 = 111972^2 + 81983^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19258941073 is a prime.

It is a super-2 number, since 2×19258941073² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19258941173) 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 3 ways as a sum of consecutive naturals, for example, 350536 + ... + 401737.

It is an arithmetic number, because the mean of its divisors is an integer number (4814929737).

Almost surely, 2^19258941073 is an apocalyptic number.

It is an amenable number.

19258941073 is a deficient number, since it is larger than the sum of its proper divisors (777875).

19258941073 is an equidigital number, since it uses as much as digits as its factorization.

19258941073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777874.

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 19258941073 in words is "nineteen billion, two hundred fifty-eight million, nine hundred forty-one thousand, seventy-three".