6426725851730 has 32 divisors (see below), whose sum is σ = 11924924632560. Its totient is φ = 2491913998080.

The previous prime is 6426725851729. The next prime is 6426725851807. The reversal of 6426725851730 is 371585276246.

It can be written as a sum of positive squares in 8 ways, for example, as 1352343387409 + 5074382464321 = 1162903^2 + 2252639^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32185841 + ... + 32384900.

Almost surely, 2^{6426725851730} is an apocalyptic number.

6426725851730 is a deficient number, since it is larger than the sum of its proper divisors (5498198780830).

6426725851730 is a wasteful number, since it uses less digits than its factorization.

6426725851730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64571054.

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 6426725851730 in words is "six trillion, four hundred twenty-six billion, seven hundred twenty-five million, eight hundred fifty-one thousand, seven hundred thirty".