213654973546 has 8 divisors (see below), whose sum is σ = 366265668960. Its totient is φ = 91566417228.

The previous prime is 213654973541. The next prime is 213654973577. The reversal of 213654973546 is 645379456312.

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

It is not an unprimeable number, because it can be changed into a prime (213654973541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7630534756 + ... + 7630534783.

It is an arithmetic number, because the mean of its divisors is an integer number (45783208620).

Almost surely, 2^213654973546 is an apocalyptic number.

213654973546 is a deficient number, since it is larger than the sum of its proper divisors (152610695414).

213654973546 is a wasteful number, since it uses less digits than its factorization.

213654973546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15261069548.

The product of its digits is 16329600, while the sum is 55.

The spelling of 213654973546 in words is "two hundred thirteen billion, six hundred fifty-four million, nine hundred seventy-three thousand, five hundred forty-six".