9820472451 has 8 divisors (see below), whose sum is σ = 13099905024. Its totient is φ = 6544010760.

The previous prime is 9820472447. The next prime is 9820472521. The reversal of 9820472451 is 1542740289.

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

It is not a de Polignac number, because 9820472451 - 2² = 9820472447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9820473451) 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, 734995 + ... + 748236.

It is an arithmetic number, because the mean of its divisors is an integer number (1637488128).

Almost surely, 2^9820472451 is an apocalyptic number.

9820472451 is a deficient number, since it is larger than the sum of its proper divisors (3279432573).

9820472451 is a wasteful number, since it uses less digits than its factorization.

9820472451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485441.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 9820472451 is about 99098.2969127119. The cubic root of 9820472451 is about 2141.4640788438.

The spelling of 9820472451 in words is "nine billion, eight hundred twenty million, four hundred seventy-two thousand, four hundred fifty-one".