33947321469 has 4 divisors (see below), whose sum is σ = 45263095296. Its totient is φ = 22631547644.

The previous prime is 33947321383. The next prime is 33947321479. The reversal of 33947321469 is 96412374933.

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.

It is a cyclic number.

It is not a de Polignac number, because 33947321469 - 2¹² = 33947317373 is a prime.

It is a super-2 number, since 2×33947321469² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33947321479) 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, 5657886909 + ... + 5657886914.

It is an arithmetic number, because the mean of its divisors is an integer number (11315773824).

Almost surely, 2^33947321469 is an apocalyptic number.

It is an amenable number.

33947321469 is a deficient number, since it is larger than the sum of its proper divisors (11315773827).

33947321469 is a wasteful number, since it uses less digits than its factorization.

33947321469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11315773826.

The product of its digits is 2939328, while the sum is 51.

The spelling of 33947321469 in words is "thirty-three billion, nine hundred forty-seven million, three hundred twenty-one thousand, four hundred sixty-nine".