34553243991 has 32 divisors (see below), whose sum is σ = 55444953600. Its totient is φ = 18698359680.

The previous prime is 34553243929. The next prime is 34553243999. The reversal of 34553243991 is 19934235543.

It is not a de Polignac number, because 34553243991 - 2⁷ = 34553243863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34553243991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34553243999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1126405 + ... + 1156673.

It is an arithmetic number, because the mean of its divisors is an integer number (1732654800).

Almost surely, 2^34553243991 is an apocalyptic number.

34553243991 is a deficient number, since it is larger than the sum of its proper divisors (20891709609).

34553243991 is a wasteful number, since it uses less digits than its factorization.

34553243991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33159.

The product of its digits is 1749600, while the sum is 48.

The spelling of 34553243991 in words is "thirty-four billion, five hundred fifty-three million, two hundred forty-three thousand, nine hundred ninety-one".