34212073818 has 16 divisors (see below), whose sum is σ = 73687543776. Its totient is φ = 10526791920.

The previous prime is 34212073781. The next prime is 34212073849. The reversal of 34212073818 is 81837021243.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219308088 + ... + 219308243.

It is an arithmetic number, because the mean of its divisors is an integer number (4605471486).

Almost surely, 2^34212073818 is an apocalyptic number.

34212073818 is an abundant number, since it is smaller than the sum of its proper divisors (39475469958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34212073818 is a wasteful number, since it uses less digits than its factorization.

34212073818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438616349.

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 34212073818 in words is "thirty-four billion, two hundred twelve million, seventy-three thousand, eight hundred eighteen".