42217070245 has 16 divisors (see below), whose sum is σ = 58008849408. Its totient is φ = 28893271680.

The previous prime is 42217070221. The next prime is 42217070267. The reversal of 42217070245 is 54207071224.

It is not a de Polignac number, because 42217070245 - 2²³ = 42208681637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42217070245.

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 15 ways as a sum of consecutive naturals, for example, 1139349 + ... + 1175818.

It is an arithmetic number, because the mean of its divisors is an integer number (3625553088).

Almost surely, 2^42217070245 is an apocalyptic number.

It is an amenable number.

42217070245 is a deficient number, since it is larger than the sum of its proper divisors (15791779163).

42217070245 is a wasteful number, since it uses less digits than its factorization.

42217070245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315700.

The product of its (nonzero) digits is 31360, while the sum is 34.

The spelling of 42217070245 in words is "forty-two billion, two hundred seventeen million, seventy thousand, two hundred forty-five".