215030673796 has 27 divisors (see below), whose sum is σ = 397184076471. Its totient is φ = 101848288104.

The previous prime is 215030673773. The next prime is 215030673797. The reversal of 215030673796 is 697376030512.

The square root of 215030673796 is 463714.

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

It is a super-2 number, since 2×215030673796² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215030673797) 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, 17615031 + ... + 17627233.

Almost surely, 2^215030673796 is an apocalyptic number.

215030673796 is the 463714-th square number.

It is an amenable number.

215030673796 is a deficient number, since it is larger than the sum of its proper divisors (182153402675).

215030673796 is an frugal number, since it uses more digits than its factorization.

215030673796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24448 (or 12224 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 49.

Multiplying 215030673796 by its sum of digits (49), we get a square (10536503016004 = 3245998²).

The spelling of 215030673796 in words is "two hundred fifteen billion, thirty million, six hundred seventy-three thousand, seven hundred ninety-six".