4257209873346 has 16 divisors (see below), whose sum is σ = 8622197212800. Its totient is φ = 1401107046768.

The previous prime is 4257209873321. The next prime is 4257209873353. The reversal of 4257209873346 is 6433789027524.

It is a happy number.

It is a super-2 number, since 2×4257209873346² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4257209873346.

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, 4490727241 + ... + 4490728188.

It is an arithmetic number, because the mean of its divisors is an integer number (538887325800).

Almost surely, 2^{4257209873346} is an apocalyptic number.

4257209873346 is an abundant number, since it is smaller than the sum of its proper divisors (4364987339454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4257209873346 is a wasteful number, since it uses less digits than its factorization.

4257209873346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8981455513.

The product of its (nonzero) digits is 60963840, while the sum is 60.

The spelling of 4257209873346 in words is "four trillion, two hundred fifty-seven billion, two hundred nine million, eight hundred seventy-three thousand, three hundred forty-six".