2170421426 has 8 divisors (see below), whose sum is σ = 3256084224. Its totient is φ = 1085060020.

The previous prime is 2170421411. The next prime is 2170421441. The reversal of 2170421426 is 6241240712.

It is an interprime number because it is at equal distance from previous prime (2170421411) and next prime (2170421441).

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56390 + ... + 86721.

It is an arithmetic number, because the mean of its divisors is an integer number (407010528).

Almost surely, 2^2170421426 is an apocalyptic number.

2170421426 is a deficient number, since it is larger than the sum of its proper divisors (1085662798).

2170421426 is a wasteful number, since it uses less digits than its factorization.

2170421426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150696.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 2170421426 is about 46587.7819390449. The cubic root of 2170421426 is about 1294.7363945197.

The spelling of 2170421426 in words is "two billion, one hundred seventy million, four hundred twenty-one thousand, four hundred twenty-six".