2666420424259 has 8 divisors (see below), whose sum is σ = 2760758328960. Its totient is φ = 2572242011136.

The previous prime is 2666420424257. The next prime is 2666420424277. The reversal of 2666420424259 is 9524240246662.

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

It is not a de Polignac number, because 2666420424259 - 2¹ = 2666420424257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2666420424257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39838867 + ... + 39905740.

It is an arithmetic number, because the mean of its divisors is an integer number (345094791120).

Almost surely, 2^{2666420424259} is an apocalyptic number.

2666420424259 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2666420424259 is a deficient number, since it is larger than the sum of its proper divisors (94337904701).

2666420424259 is a wasteful number, since it uses less digits than its factorization.

2666420424259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79745789.

The product of its (nonzero) digits is 9953280, while the sum is 52.

The spelling of 2666420424259 in words is "two trillion, six hundred sixty-six billion, four hundred twenty million, four hundred twenty-four thousand, two hundred fifty-nine".