33934377421 has 4 divisors (see below), whose sum is σ = 38782145632. Its totient is φ = 29086609212.

The previous prime is 33934377349. The next prime is 33934377479. The reversal of 33934377421 is 12477343933.

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 33934377421 - 2¹¹ = 33934375373 is a prime.

It is a super-2 number, since 2×33934377421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33934377481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2423884095 + ... + 2423884108.

It is an arithmetic number, because the mean of its divisors is an integer number (9695536408).

Almost surely, 2^33934377421 is an apocalyptic number.

It is an amenable number.

33934377421 is a deficient number, since it is larger than the sum of its proper divisors (4847768211).

33934377421 is an equidigital number, since it uses as much as digits as its factorization.

33934377421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4847768210.

The product of its digits is 1143072, while the sum is 46.

The spelling of 33934377421 in words is "thirty-three billion, nine hundred thirty-four million, three hundred seventy-seven thousand, four hundred twenty-one".