34772643561 has 16 divisors (see below), whose sum is σ = 46759215104. Its totient is φ = 22984156944.

The previous prime is 34772643511. The next prime is 34772643569. The reversal of 34772643561 is 16534627743.

It is not a de Polignac number, because 34772643561 - 2³⁰ = 33698901737 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 34772643561.

It is not an unprimeable number, because it can be changed into a prime (34772643569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 567906 + ... + 626148.

It is an arithmetic number, because the mean of its divisors is an integer number (2922450944).

Almost surely, 2^34772643561 is an apocalyptic number.

It is an amenable number.

34772643561 is a deficient number, since it is larger than the sum of its proper divisors (11986571543).

34772643561 is a wasteful number, since it uses less digits than its factorization.

34772643561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59940.

The product of its digits is 2540160, while the sum is 48.

The spelling of 34772643561 in words is "thirty-four billion, seven hundred seventy-two million, six hundred forty-three thousand, five hundred sixty-one".