2452163721 has 8 divisors (see below), whose sum is σ = 3736630464. Its totient is φ = 1401236400.

The previous prime is 2452163639. The next prime is 2452163743. The reversal of 2452163721 is 1273612542.

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

It is not a de Polignac number, because 2452163721 - 2²¹ = 2450066569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2452163771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58384830 + ... + 58384871.

It is an arithmetic number, because the mean of its divisors is an integer number (467078808).

Almost surely, 2^2452163721 is an apocalyptic number.

2452163721 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2452163721 is a deficient number, since it is larger than the sum of its proper divisors (1284466743).

2452163721 is a wasteful number, since it uses less digits than its factorization.

2452163721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116769711.

The product of its digits is 20160, while the sum is 33.

The square root of 2452163721 is about 49519.3267421923. The cubic root of 2452163721 is about 1348.4964918564.

The spelling of 2452163721 in words is "two billion, four hundred fifty-two million, one hundred sixty-three thousand, seven hundred twenty-one".