34154345421 has 96 divisors (see below), whose sum is σ = 59078073600. Its totient is φ = 18602680320.

The previous prime is 34154345411. The next prime is 34154345441. The reversal of 34154345421 is 12454345143.

34154345421 is a `hidden beast` number, since 3 + 41 + 543 + 4 + 54 + 21 = 666.

It is not a de Polignac number, because 34154345421 - 2⁷ = 34154345293 is a prime.

It is a super-2 number, since 2×34154345421² (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 (34154345411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 59192685 + ... + 59193261.

It is an arithmetic number, because the mean of its divisors is an integer number (615396600).

Almost surely, 2^34154345421 is an apocalyptic number.

It is an amenable number.

34154345421 is a deficient number, since it is larger than the sum of its proper divisors (24923728179).

34154345421 is a wasteful number, since it uses less digits than its factorization.

34154345421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979 (or 976 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The spelling of 34154345421 in words is "thirty-four billion, one hundred fifty-four million, three hundred forty-five thousand, four hundred twenty-one".