270172454921 has 8 divisors (see below), whose sum is σ = 285988486080. Its totient is φ = 254789739792.

The previous prime is 270172454897. The next prime is 270172454927. The reversal of 270172454921 is 129454271072.

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

It is a cyclic number.

It is not a de Polignac number, because 270172454921 - 2¹⁰ = 270172453897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (270172454927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108327725 + ... + 108330218.

It is an arithmetic number, because the mean of its divisors is an integer number (35748560760).

Almost surely, 2^270172454921 is an apocalyptic number.

It is an amenable number.

270172454921 is a deficient number, since it is larger than the sum of its proper divisors (15816031159).

270172454921 is a wasteful number, since it uses less digits than its factorization.

270172454921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216658015.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 270172454921 in words is "two hundred seventy billion, one hundred seventy-two million, four hundred fifty-four thousand, nine hundred twenty-one".