34021274638 has 24 divisors (see below), whose sum is σ = 58002193368. Its totient is φ = 14875694928.

The previous prime is 34021274579. The next prime is 34021274641. The reversal of 34021274638 is 83647212043.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 34021274638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1802956 + ... + 1821727.

It is an arithmetic number, because the mean of its divisors is an integer number (2416758057).

Almost surely, 2^34021274638 is an apocalyptic number.

34021274638 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

34021274638 is a deficient number, since it is larger than the sum of its proper divisors (23980918730).

34021274638 is a wasteful number, since it uses less digits than its factorization.

34021274638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624736 (or 3624717 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 34021274638 in words is "thirty-four billion, twenty-one million, two hundred seventy-four thousand, six hundred thirty-eight".