2172953451 has 8 divisors (see below), whose sum is σ = 3023239680. Its totient is φ = 1385651432.

The previous prime is 2172953437. The next prime is 2172953459. The reversal of 2172953451 is 1543592712.

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 2172953451 - 2¹³ = 2172945259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2172953459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15745971 + ... + 15746108.

It is an arithmetic number, because the mean of its divisors is an integer number (377904960).

Almost surely, 2^2172953451 is an apocalyptic number.

2172953451 is a deficient number, since it is larger than the sum of its proper divisors (850286229).

2172953451 is a wasteful number, since it uses less digits than its factorization.

2172953451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31492105.

The product of its digits is 75600, while the sum is 39.

The square root of 2172953451 is about 46614.9487932788. The cubic root of 2172953451 is about 1295.2396809439.

The spelling of 2172953451 in words is "two billion, one hundred seventy-two million, nine hundred fifty-three thousand, four hundred fifty-one".