6471245990 has 16 divisors (see below), whose sum is σ = 12707174160. Its totient is φ = 2353180320.

The previous prime is 6471245951. The next prime is 6471246031. The reversal of 6471245990 is 995421746.

It is a Curzon 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, 29414645 + ... + 29414864.

It is an arithmetic number, because the mean of its divisors is an integer number (794198385).

Almost surely, 2^6471245990 is an apocalyptic number.

6471245990 is a deficient number, since it is larger than the sum of its proper divisors (6235928170).

6471245990 is a wasteful number, since it uses less digits than its factorization.

6471245990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58829527.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 6471245990 is about 80444.0550320532. The cubic root of 6471245990 is about 1863.4995960916.

The spelling of 6471245990 in words is "six billion, four hundred seventy-one million, two hundred forty-five thousand, nine hundred ninety".