6931452490 has 8 divisors (see below), whose sum is σ = 12476614500. Its totient is φ = 2772580992.

The previous prime is 6931452443. The next prime is 6931452589. The reversal of 6931452490 is 942541396.

It can be written as a sum of positive squares in 2 ways, for example, as 6625797201 + 305655289 = 81399^2 + 17483^2 .

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

It is a super-2 number, since 2×6931452490² = 96090067242254400200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346572615 + ... + 346572634.

Almost surely, 2^6931452490 is an apocalyptic number.

6931452490 is a deficient number, since it is larger than the sum of its proper divisors (5545162010).

6931452490 is a wasteful number, since it uses less digits than its factorization.

6931452490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693145256.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 6931452490 is about 83255.3451136922. The cubic root of 6931452490 is about 1906.6665621723. Note that the first 3 decimals are identical.

The spelling of 6931452490 in words is "six billion, nine hundred thirty-one million, four hundred fifty-two thousand, four hundred ninety".