8490752405 has 8 divisors (see below), whose sum is σ = 10189578912. Its totient is φ = 6792151248.

The previous prime is 8490752371. The next prime is 8490752423. The reversal of 8490752405 is 5042570948.

It is a happy number.

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 8490752405 - 2³² = 4195785109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42242 + ... + 136988.

It is an arithmetic number, because the mean of its divisors is an integer number (1273697364).

Almost surely, 2^8490752405 is an apocalyptic number.

It is an amenable number.

8490752405 is a deficient number, since it is larger than the sum of its proper divisors (1698826507).

8490752405 is a wasteful number, since it uses less digits than its factorization.

8490752405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112675.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 8490752405 is about 92145.2787992961. The cubic root of 8490752405 is about 2040.0871746837.

The spelling of 8490752405 in words is "eight billion, four hundred ninety million, seven hundred fifty-two thousand, four hundred five".