2117426949158 has 8 divisors (see below), whose sum is σ = 3178895102328. Its totient is φ = 1057795248384.

The previous prime is 2117426949149. The next prime is 2117426949193. The reversal of 2117426949158 is 8519496247112.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2117426949097 and 2117426949106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459110216 + ... + 459114827.

It is an arithmetic number, because the mean of its divisors is an integer number (397361887791).

Almost surely, 2^{2117426949158} is an apocalyptic number.

2117426949158 is a deficient number, since it is larger than the sum of its proper divisors (1061468153170).

2117426949158 is a wasteful number, since it uses less digits than its factorization.

2117426949158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918226198.

The product of its digits is 8709120, while the sum is 59.

The spelling of 2117426949158 in words is "two trillion, one hundred seventeen billion, four hundred twenty-six million, nine hundred forty-nine thousand, one hundred fifty-eight".