34021405421 has 8 divisors (see below), whose sum is σ = 35459833344. Its totient is φ = 32604287760.

The previous prime is 34021405417. The next prime is 34021405423. The reversal of 34021405421 is 12450412043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34021405421 - 2² = 34021405417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34021405423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5324306 + ... + 5330691.

It is an arithmetic number, because the mean of its divisors is an integer number (4432479168).

Almost surely, 2^34021405421 is an apocalyptic number.

34021405421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

34021405421 is a deficient number, since it is larger than the sum of its proper divisors (1438427923).

34021405421 is a wasteful number, since it uses less digits than its factorization.

34021405421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10655131.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 34021405421 its reverse (12450412043), we get a palindrome (46471817464).

The spelling of 34021405421 in words is "thirty-four billion, twenty-one million, four hundred five thousand, four hundred twenty-one".