19264314445 has 8 divisors (see below), whose sum is σ = 23914321560. Its totient is φ = 14880022080.

The previous prime is 19264314403. The next prime is 19264314499. The reversal of 19264314445 is 54441346291.

It can be written as a sum of positive squares in 4 ways, for example, as 8311689 + 19256002756 = 2883^2 + 138766^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19264314445 - 2⁹ = 19264313933 is a prime.

It is a super-2 number, since 2×19264314445² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66428526 + ... + 66428815.

It is an arithmetic number, because the mean of its divisors is an integer number (2989290195).

Almost surely, 2^19264314445 is an apocalyptic number.

It is an amenable number.

19264314445 is a deficient number, since it is larger than the sum of its proper divisors (4650007115).

19264314445 is a wasteful number, since it uses less digits than its factorization.

19264314445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132857375.

The product of its digits is 414720, while the sum is 43.

The spelling of 19264314445 in words is "nineteen billion, two hundred sixty-four million, three hundred fourteen thousand, four hundred forty-five".