6470221258 has 8 divisors (see below), whose sum is σ = 9717301440. Its totient is φ = 3231120780.

The previous prime is 6470221249. The next prime is 6470221273. The reversal of 6470221258 is 8521220746.

It is a happy number.

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

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, 1992898 + ... + 1996141.

It is an arithmetic number, because the mean of its divisors is an integer number (1214662680).

Almost surely, 2^6470221258 is an apocalyptic number.

6470221258 is a deficient number, since it is larger than the sum of its proper divisors (3247080182).

6470221258 is a wasteful number, since it uses less digits than its factorization.

6470221258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3989852.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 6470221258 is about 80437.6855584495. The cubic root of 6470221258 is about 1863.4012282000.

The spelling of 6470221258 in words is "six billion, four hundred seventy million, two hundred twenty-one thousand, two hundred fifty-eight".