1896215573623 has 16 divisors (see below), whose sum is σ = 2168462433280. Its totient is φ = 1624308741216.

The previous prime is 1896215573611. The next prime is 1896215573663. The reversal of 1896215573623 is 3263755126981.

It is not a de Polignac number, because 1896215573623 - 2²¹ = 1896213476471 is a prime.

It is a super-2 number, since 2×1896215573623² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896215573663) 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, 135156973 + ... + 135171001.

It is an arithmetic number, because the mean of its divisors is an integer number (135528902080).

Almost surely, 2^{1896215573623} is an apocalyptic number.

1896215573623 is a deficient number, since it is larger than the sum of its proper divisors (272246859657).

1896215573623 is a wasteful number, since it uses less digits than its factorization.

1896215573623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24766.

The product of its digits is 16329600, while the sum is 58.

The spelling of 1896215573623 in words is "one trillion, eight hundred ninety-six billion, two hundred fifteen million, five hundred seventy-three thousand, six hundred twenty-three".