34454426643 has 72 divisors (see below), whose sum is σ = 65212082208. Its totient is φ = 17104628736.

The previous prime is 34454426639. The next prime is 34454426653. The reversal of 34454426643 is 34662445443.

34454426643 is a `hidden beast` number, since 3 + 4 + 4 + 544 + 2 + 66 + 43 = 666.

It is not a de Polignac number, because 34454426643 - 2² = 34454426639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34454426623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 85821 + ... + 276177.

It is an arithmetic number, because the mean of its divisors is an integer number (905723364).

Almost surely, 2^34454426643 is an apocalyptic number.

34454426643 is a deficient number, since it is larger than the sum of its proper divisors (30757655565).

34454426643 is a wasteful number, since it uses less digits than its factorization.

34454426643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190413 (or 190397 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 45.

The spelling of 34454426643 in words is "thirty-four billion, four hundred fifty-four million, four hundred twenty-six thousand, six hundred forty-three".