6427382418425 has 12 divisors (see below), whose sum is σ = 7969988546940. Its totient is φ = 5141883774720.

The previous prime is 6427382418419. The next prime is 6427382418451. The reversal of 6427382418425 is 5248142837246.

It can be written as a sum of positive squares in 6 ways, for example, as 107694236224 + 6319688182201 = 328168^2 + 2513899^2 .

It is not a de Polignac number, because 6427382418425 - 2⁴ = 6427382418409 is a prime.

It is a super-2 number, since 2×6427382418425² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7881221 + ... + 8658429.

It is an arithmetic number, because the mean of its divisors is an integer number (664165712245).

Almost surely, 2^{6427382418425} is an apocalyptic number.

It is an amenable number.

6427382418425 is a deficient number, since it is larger than the sum of its proper divisors (1542606128515).

6427382418425 is a wasteful number, since it uses less digits than its factorization.

6427382418425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108012 (or 1108007 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 56.

The spelling of 6427382418425 in words is "six trillion, four hundred twenty-seven billion, three hundred eighty-two million, four hundred eighteen thousand, four hundred twenty-five".