6473915990 has 16 divisors (see below), whose sum is σ = 11937270240. Its totient is φ = 2526406080.

The previous prime is 6473915983. The next prime is 6473916067. The reversal of 6473915990 is 995193746.

It is a happy 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, 7894610 + ... + 7895429.

It is an arithmetic number, because the mean of its divisors is an integer number (746079390).

Almost surely, 2^6473915990 is an apocalyptic number.

6473915990 is a deficient number, since it is larger than the sum of its proper divisors (5463354250).

6473915990 is a wasteful number, since it uses less digits than its factorization.

6473915990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15790087.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The square root of 6473915990 is about 80460.6487048172. The cubic root of 6473915990 is about 1863.7558506981.

The spelling of 6473915990 in words is "six billion, four hundred seventy-three million, nine hundred fifteen thousand, nine hundred ninety".