42621703123418 has 32 divisors (see below), whose sum is σ = 64359993277440. Its totient is φ = 21168989336880.

The previous prime is 42621703123387. The next prime is 42621703123477. The reversal of 42621703123418 is 81432130712624.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197644313 + ... + 197859843.

It is an arithmetic number, because the mean of its divisors is an integer number (2011249789920).

Almost surely, 2^{42621703123418} is an apocalyptic number.

42621703123418 is a deficient number, since it is larger than the sum of its proper divisors (21738290154022).

42621703123418 is a wasteful number, since it uses less digits than its factorization.

42621703123418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216962.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 42621703123418 in words is "forty-two trillion, six hundred twenty-one billion, seven hundred three million, one hundred twenty-three thousand, four hundred eighteen".