34353551421 has 12 divisors (see below), whose sum is σ = 56710624672. Its totient is φ = 19630600776.

The previous prime is 34353551417. The next prime is 34353551429. The reversal of 34353551421 is 12415535343.

34353551421 is a `hidden beast` number, since 34 + 3 + 53 + 551 + 4 + 21 = 666.

It is not a de Polignac number, because 34353551421 - 2² = 34353551417 is a prime.

It is a super-2 number, since 2×34353551421² (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 (34353551429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272647171 + ... + 272647296.

Almost surely, 2^34353551421 is an apocalyptic number.

It is an amenable number.

34353551421 is a deficient number, since it is larger than the sum of its proper divisors (22357073251).

34353551421 is a wasteful number, since it uses less digits than its factorization.

34353551421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545294480 (or 545294477 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The spelling of 34353551421 in words is "thirty-four billion, three hundred fifty-three million, five hundred fifty-one thousand, four hundred twenty-one".