34521037969 has 4 divisors (see below), whose sum is σ = 37659314160. Its totient is φ = 31382761780.

The previous prime is 34521037937. The next prime is 34521037979. The reversal of 34521037969 is 96973012543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96973012543 = 11 ⋅8815728413.

It is a cyclic number.

It is not a de Polignac number, because 34521037969 - 2⁵ = 34521037937 is a prime.

It is a super-2 number, since 2×34521037969² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34521037979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1569138079 + ... + 1569138100.

It is an arithmetic number, because the mean of its divisors is an integer number (9414828540).

Almost surely, 2^34521037969 is an apocalyptic number.

It is an amenable number.

34521037969 is a deficient number, since it is larger than the sum of its proper divisors (3138276191).

34521037969 is a wasteful number, since it uses less digits than its factorization.

34521037969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138276190.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The spelling of 34521037969 in words is "thirty-four billion, five hundred twenty-one million, thirty-seven thousand, nine hundred sixty-nine".