8442904253 has 8 divisors (see below), whose sum is σ = 9649607808. Its totient is φ = 7236344304.

The previous prime is 8442904243. The next prime is 8442904303. The reversal of 8442904253 is 3524092448.

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

It is not a de Polignac number, because 8442904253 - 2¹² = 8442900157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8442904253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442904243) 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, 165200 + ... + 210182.

It is an arithmetic number, because the mean of its divisors is an integer number (1206200976).

Almost surely, 2^8442904253 is an apocalyptic number.

It is an amenable number.

8442904253 is a deficient number, since it is larger than the sum of its proper divisors (1206703555).

8442904253 is a wasteful number, since it uses less digits than its factorization.

8442904253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71803.

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 8442904253 is about 91885.2776727589. The cubic root of 8442904253 is about 2036.2477685566.

The spelling of 8442904253 in words is "eight billion, four hundred forty-two million, nine hundred four thousand, two hundred fifty-three".